130777542 has 24 divisors (see below), whose sum is σ = 323830416. Its totient is φ = 37364976.

The previous prime is 130777511. The next prime is 130777567. The reversal of 130777542 is 245777031.

It is a junction number, because it is equal to n+sod(n) for n = 130777497 and 130777506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 518833 + ... + 519084.

It is an arithmetic number, because the mean of its divisors is an integer number (13492934).

Almost surely, 2^130777542 is an apocalyptic number.

130777542 is an abundant number, since it is smaller than the sum of its proper divisors (193052874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130777542 is a wasteful number, since it uses less digits than its factorization.

130777542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037932 (or 1037929 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 130777542 is about 11435.8008901869. The cubic root of 130777542 is about 507.5876616591.

The spelling of 130777542 in words is "one hundred thirty million, seven hundred seventy-seven thousand, five hundred forty-two".