130777537 has 4 divisors (see below), whose sum is σ = 142666416. Its totient is φ = 118888660.

The previous prime is 130777511. The next prime is 130777567. The reversal of 130777537 is 735777031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 735777031 = 11 ⋅66888821.

It is not a de Polignac number, because 130777537 - 2¹⁵ = 130744769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130777537.

It is not an unprimeable number, because it can be changed into a prime (130777567) 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 3 ways as a sum of consecutive naturals, for example, 5944423 + ... + 5944444.

It is an arithmetic number, because the mean of its divisors is an integer number (35666604).

Almost surely, 2^130777537 is an apocalyptic number.

It is an amenable number.

130777537 is a deficient number, since it is larger than the sum of its proper divisors (11888879).

130777537 is a wasteful number, since it uses less digits than its factorization.

130777537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888878.

The product of its (nonzero) digits is 108045, while the sum is 40.

The square root of 130777537 is about 11435.8006715752. The cubic root of 130777537 is about 507.5876551903.

The spelling of 130777537 in words is "one hundred thirty million, seven hundred seventy-seven thousand, five hundred thirty-seven".