131892645 has 8 divisors (see below), whose sum is σ = 211028256. Its totient is φ = 70342736.

The previous prime is 131892637. The next prime is 131892697. The reversal of 131892645 is 546298131.

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

It is a cyclic number.

It is not a de Polignac number, because 131892645 - 2³ = 131892637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4396407 + ... + 4396436.

It is an arithmetic number, because the mean of its divisors is an integer number (26378532).

Almost surely, 2^131892645 is an apocalyptic number.

131892645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131892645 is a deficient number, since it is larger than the sum of its proper divisors (79135611).

131892645 is an equidigital number, since it uses as much as digits as its factorization.

131892645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792851.

The product of its digits is 51840, while the sum is 39.

The square root of 131892645 is about 11484.4523160663. The cubic root of 131892645 is about 509.0262658480.

The spelling of 131892645 in words is "one hundred thirty-one million, eight hundred ninety-two thousand, six hundred forty-five".