137740265 has 16 divisors (see below), whose sum is σ = 179773776. Its totient is φ = 100704000.

The previous prime is 137740259. The next prime is 137740271. The reversal of 137740265 is 562047731.

It is an interprime number because it is at equal distance from previous prime (137740259) and next prime (137740271).

It can be written as a sum of positive squares in 8 ways, for example, as 123904 + 137616361 = 352^2 + 11731^2 .

It is not a de Polignac number, because 137740265 - 2¹² = 137736169 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3926 + ... + 17055.

It is an arithmetic number, because the mean of its divisors is an integer number (11235861).

Almost surely, 2^137740265 is an apocalyptic number.

It is an amenable number.

137740265 is a deficient number, since it is larger than the sum of its proper divisors (42033511).

137740265 is a wasteful number, since it uses less digits than its factorization.

137740265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21100.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 137740265 is about 11736.2798620346. The cubic root of 137740265 is about 516.4405140429.

Adding to 137740265 its reverse (562047731), we get a palindrome (699787996).

The spelling of 137740265 in words is "one hundred thirty-seven million, seven hundred forty thousand, two hundred sixty-five".