131858077 has 16 divisors (see below), whose sum is σ = 147232512. Its totient is φ = 117311040.

The previous prime is 131858059. The next prime is 131858087. The reversal of 131858077 is 770858131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131858077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131858087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39327 + ... + 42547.

It is an arithmetic number, because the mean of its divisors is an integer number (9202032).

Almost surely, 2^131858077 is an apocalyptic number.

It is an amenable number.

131858077 is a deficient number, since it is larger than the sum of its proper divisors (15374435).

131858077 is a wasteful number, since it uses less digits than its factorization.

131858077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348.

The product of its (nonzero) digits is 47040, while the sum is 40.

The square root of 131858077 is about 11482.9472262133. The cubic root of 131858077 is about 508.9817914008.

It can be divided in two parts, 1318 and 58077, that added together give a palindrome (59395).

The spelling of 131858077 in words is "one hundred thirty-one million, eight hundred fifty-eight thousand, seventy-seven".