131403570 has 16 divisors (see below), whose sum is σ = 315368640. Its totient is φ = 35040944.

The previous prime is 131403527. The next prime is 131403583. The reversal of 131403570 is 75304131.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 131403570.

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, 2190030 + ... + 2190089.

It is an arithmetic number, because the mean of its divisors is an integer number (19710540).

Almost surely, 2^131403570 is an apocalyptic number.

131403570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131403570 is an abundant number, since it is smaller than the sum of its proper divisors (183965070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131403570 is a wasteful number, since it uses less digits than its factorization.

131403570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380129.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 131403570 is about 11463.1396222850. The cubic root of 131403570 is about 508.3963081227.

The spelling of 131403570 in words is "one hundred thirty-one million, four hundred three thousand, five hundred seventy".