130687077 has 4 divisors (see below), whose sum is σ = 174249440. Its totient is φ = 87124716.

The previous prime is 130687061. The next prime is 130687087. The reversal of 130687077 is 770786031.

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: 770786031 = 3 ⋅256928677.

It is not a de Polignac number, because 130687077 - 2⁴ = 130687061 is a prime.

It is a super-2 number, since 2×130687077² = 34158224189607858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130687087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21781177 + ... + 21781182.

It is an arithmetic number, because the mean of its divisors is an integer number (43562360).

Almost surely, 2^130687077 is an apocalyptic number.

It is an amenable number.

130687077 is a deficient number, since it is larger than the sum of its proper divisors (43562363).

130687077 is an equidigital number, since it uses as much as digits as its factorization.

130687077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43562362.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 130687077 is about 11431.8448642378. The cubic root of 130687077 is about 507.4705938780.

The spelling of 130687077 in words is "one hundred thirty million, six hundred eighty-seven thousand, seventy-seven".