137777752765 has 8 divisors (see below), whose sum is σ = 166635141120. Its totient is φ = 109354310352.

The previous prime is 137777752757. The next prime is 137777752769. The reversal of 137777752765 is 567257777731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137777752765 - 2³ = 137777752757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 137777752697 and 137777752706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137777752769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108485785 + ... + 108487054.

It is an arithmetic number, because the mean of its divisors is an integer number (20829392640).

Almost surely, 2^137777752765 is an apocalyptic number.

It is an amenable number.

137777752765 is a deficient number, since it is larger than the sum of its proper divisors (28857388355).

137777752765 is a wasteful number, since it uses less digits than its factorization.

137777752765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216972971.

The product of its digits is 105884100, while the sum is 64.

The spelling of 137777752765 in words is "one hundred thirty-seven billion, seven hundred seventy-seven million, seven hundred fifty-two thousand, seven hundred sixty-five".