135800253377 has 2 divisors, whose sum is σ = 135800253378. Its totient is φ = 135800253376.

The previous prime is 135800253311. The next prime is 135800253409. The reversal of 135800253377 is 773352008531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131084547136 + 4715706241 = 362056^2 + 68671^2 .

It is a cyclic number.

It is not a de Polignac number, because 135800253377 - 2³⁴ = 118620384193 is a prime.

It is not a weakly prime, because it can be changed into another prime (135800253977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67900126688 + 67900126689.

It is an arithmetic number, because the mean of its divisors is an integer number (67900126689).

Almost surely, 2^135800253377 is an apocalyptic number.

It is an amenable number.

135800253377 is a deficient number, since it is larger than the sum of its proper divisors (1).

135800253377 is an equidigital number, since it uses as much as digits as its factorization.

135800253377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 135800253377 in words is "one hundred thirty-five billion, eight hundred million, two hundred fifty-three thousand, three hundred seventy-seven".