137452497877 has 2 divisors, whose sum is σ = 137452497878. Its totient is φ = 137452497876.

The previous prime is 137452497839. The next prime is 137452497887. The reversal of 137452497877 is 778794254731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130981743396 + 6470754481 = 361914^2 + 80441^2 .

It is a cyclic number.

It is not a de Polignac number, because 137452497877 - 2²⁷ = 137318280149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137452497887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68726248938 + 68726248939.

It is an arithmetic number, because the mean of its divisors is an integer number (68726248939).

Almost surely, 2^137452497877 is an apocalyptic number.

It is an amenable number.

137452497877 is a deficient number, since it is larger than the sum of its proper divisors (1).

137452497877 is an equidigital number, since it uses as much as digits as its factorization.

137452497877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82978560, while the sum is 64.

The spelling of 137452497877 in words is "one hundred thirty-seven billion, four hundred fifty-two million, four hundred ninety-seven thousand, eight hundred seventy-seven".