131877628 has 6 divisors (see below), whose sum is σ = 230785856. Its totient is φ = 65938812.

The previous prime is 131877617. The next prime is 131877631. The reversal of 131877628 is 826778131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16484700 + ... + 16484707.

Almost surely, 2^131877628 is an apocalyptic number.

It is an amenable number.

131877628 is a deficient number, since it is larger than the sum of its proper divisors (98908228).

131877628 is a wasteful number, since it uses less digits than its factorization.

131877628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32969411 (or 32969409 counting only the distinct ones).

The product of its digits is 112896, while the sum is 43.

The square root of 131877628 is about 11483.7985004963. The cubic root of 131877628 is about 509.0069462527.

The spelling of 131877628 in words is "one hundred thirty-one million, eight hundred seventy-seven thousand, six hundred twenty-eight".