134920637 has 4 divisors (see below), whose sum is σ = 134994396. Its totient is φ = 134846880.

The previous prime is 134920633. The next prime is 134920651. The reversal of 134920637 is 736029431.

134920637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29365561 + 105555076 = 5419^2 + 10274^2 .

It is a cyclic number.

It is not a de Polignac number, because 134920637 - 2² = 134920633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134920597 and 134920606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134920633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34064 + ... + 37817.

It is an arithmetic number, because the mean of its divisors is an integer number (33748599).

Almost surely, 2^134920637 is an apocalyptic number.

It is an amenable number.

134920637 is a deficient number, since it is larger than the sum of its proper divisors (73759).

134920637 is an equidigital number, since it uses as much as digits as its factorization.

134920637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73758.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 134920637 is about 11615.5342967941. The cubic root of 134920637 is about 512.8922392452.

The spelling of 134920637 in words is "one hundred thirty-four million, nine hundred twenty thousand, six hundred thirty-seven".