137938259 has 2 divisors, whose sum is σ = 137938260. Its totient is φ = 137938258.

The previous prime is 137938253. The next prime is 137938267. The reversal of 137938259 is 952839731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 137938259 - 2¹² = 137934163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (137938253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68969129 + 68969130.

It is an arithmetic number, because the mean of its divisors is an integer number (68969130).

Almost surely, 2^137938259 is an apocalyptic number.

137938259 is a deficient number, since it is larger than the sum of its proper divisors (1).

137938259 is an equidigital number, since it uses as much as digits as its factorization.

137938259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 137938259 is about 11744.7119590052. The cubic root of 137938259 is about 516.6878471141.

The spelling of 137938259 in words is "one hundred thirty-seven million, nine hundred thirty-eight thousand, two hundred fifty-nine".