137700239 has 16 divisors (see below), whose sum is σ = 147840000. Its totient is φ = 127876320.

The previous prime is 137700223. The next prime is 137700253. The reversal of 137700239 is 932007731.

It is a cyclic number.

It is not a de Polignac number, because 137700239 - 2⁴ = 137700223 is a prime.

It is a super-2 number, since 2×137700239² = 37922711641314242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137703239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298469 + ... + 298929.

It is an arithmetic number, because the mean of its divisors is an integer number (9240000).

Almost surely, 2^137700239 is an apocalyptic number.

137700239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

137700239 is a deficient number, since it is larger than the sum of its proper divisors (10139761).

137700239 is a wasteful number, since it uses less digits than its factorization.

137700239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 137700239 is about 11734.5745129510. The cubic root of 137700239 is about 516.3904849765.

The spelling of 137700239 in words is "one hundred thirty-seven million, seven hundred thousand, two hundred thirty-nine".