137752765 has 8 divisors (see below), whose sum is σ = 166217688. Its totient is φ = 109592640.

The previous prime is 137752757. The next prime is 137752781. The reversal of 137752765 is 567257731.

It can be written as a sum of positive squares in 4 ways, for example, as 12916836 + 124835929 = 3594^2 + 11173^2 .

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

It is not a de Polignac number, because 137752765 - 2³ = 137752757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75202 + ... + 77011.

It is an arithmetic number, because the mean of its divisors is an integer number (20777211).

Almost surely, 2^137752765 is an apocalyptic number.

It is an amenable number.

137752765 is a deficient number, since it is larger than the sum of its proper divisors (28464923).

137752765 is a wasteful number, since it uses less digits than its factorization.

137752765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152399.

The product of its digits is 308700, while the sum is 43.

The square root of 137752765 is about 11736.8123866747. The cubic root of 137752765 is about 516.4561359846.

The spelling of 137752765 in words is "one hundred thirty-seven million, seven hundred fifty-two thousand, seven hundred sixty-five".