137940265 has 8 divisors (see below), whose sum is σ = 165620160. Its totient is φ = 110290992.

The previous prime is 137940251. The next prime is 137940293. The reversal of 137940265 is 562049731.

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 137940265 - 2⁷ = 137940137 is a prime.

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, 3826 + ... + 17044.

It is an arithmetic number, because the mean of its divisors is an integer number (20702520).

Almost surely, 2^137940265 is an apocalyptic number.

It is an amenable number.

137940265 is a deficient number, since it is larger than the sum of its proper divisors (27679895).

137940265 is a wasteful number, since it uses less digits than its factorization.

137940265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15311.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 137940265 is about 11744.7973588308. The cubic root of 137940265 is about 516.6903517874.

Adding to 137940265 its reverse (562049731), we get a palindrome (699989996).

The spelling of 137940265 in words is "one hundred thirty-seven million, nine hundred forty thousand, two hundred sixty-five".