137766731653 has 4 divisors (see below), whose sum is σ = 137767667008. Its totient is φ = 137765796300.

The previous prime is 137766731617. The next prime is 137766731717. The reversal of 137766731653 is 356137667731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 137766731653 - 2³⁷ = 327778181 is a prime.

It is a super-2 number, since 2×137766731653² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137766731594 and 137766731603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137766731603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192951 + ... + 559252.

It is an arithmetic number, because the mean of its divisors is an integer number (34441916752).

Almost surely, 2^137766731653 is an apocalyptic number.

It is an amenable number.

137766731653 is a deficient number, since it is larger than the sum of its proper divisors (935355).

137766731653 is an equidigital number, since it uses as much as digits as its factorization.

137766731653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935354.

The product of its digits is 10001880, while the sum is 55.

The spelling of 137766731653 in words is "one hundred thirty-seven billion, seven hundred sixty-six million, seven hundred thirty-one thousand, six hundred fifty-three".