131889867 has 8 divisors (see below), whose sum is σ = 180606096. Its totient is φ = 85550112.

The previous prime is 131889853. The next prime is 131889913. The reversal of 131889867 is 768988131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131889867 - 2⁶ = 131889803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131889817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593988 + ... + 594209.

It is an arithmetic number, because the mean of its divisors is an integer number (22575762).

Almost surely, 2^131889867 is an apocalyptic number.

131889867 is a deficient number, since it is larger than the sum of its proper divisors (48716229).

131889867 is a wasteful number, since it uses less digits than its factorization.

131889867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188237.

The product of its digits is 580608, while the sum is 51.

The square root of 131889867 is about 11484.3313693049. The cubic root of 131889867 is about 509.0226920200.

The spelling of 131889867 in words is "one hundred thirty-one million, eight hundred eighty-nine thousand, eight hundred sixty-seven".