137874901 has 2 divisors, whose sum is σ = 137874902. Its totient is φ = 137874900.

The previous prime is 137874871. The next prime is 137874911. The reversal of 137874901 is 109478731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105042001 + 32832900 = 10249^2 + 5730^2 .

It is a cyclic number.

It is not a de Polignac number, because 137874901 - 2⁹ = 137874389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137874911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68937450 + 68937451.

It is an arithmetic number, because the mean of its divisors is an integer number (68937451).

Almost surely, 2^137874901 is an apocalyptic number.

It is an amenable number.

137874901 is a deficient number, since it is larger than the sum of its proper divisors (1).

137874901 is an equidigital number, since it uses as much as digits as its factorization.

137874901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 137874901 is about 11742.0143501871. The cubic root of 137874901 is about 516.6087263967.

The spelling of 137874901 in words is "one hundred thirty-seven million, eight hundred seventy-four thousand, nine hundred one".