134739650761 has 3 divisors (see below), whose sum is σ = 134740017831. Its totient is φ = 134739283692.

The previous prime is 134739650743. The next prime is 134739650809. The reversal of 134739650761 is 167056937431.

The square root of 134739650761 is 367069.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 167056937431 = 37 ⋅4515052363.

It can be written as a sum of positive squares in only one way, i.e., 103728440761 + 31011210000 = 322069^2 + 176100^2 .

It is not a de Polignac number, because 134739650761 - 2⁵ = 134739650729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134739650699 and 134739650708.

It is not an unprimeable number, because it can be changed into a prime (134739650711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 183535 + ... + 550603.

It is an arithmetic number, because the mean of its divisors is an integer number (44913339277).

Almost surely, 2^134739650761 is an apocalyptic number.

134739650761 is the 367069-th square number.

134739650761 is the 183535-th centered octagonal number.

It is an amenable number.

134739650761 is a deficient number, since it is larger than the sum of its proper divisors (367070).

134739650761 is an frugal number, since it uses more digits than its factorization.

134739650761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734138 (or 367069 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 134739650761 in words is "one hundred thirty-four billion, seven hundred thirty-nine million, six hundred fifty thousand, seven hundred sixty-one".