131453930 has 8 divisors (see below), whose sum is σ = 236617092. Its totient is φ = 52581568.

The previous prime is 131453923. The next prime is 131453969. The reversal of 131453930 is 39354131.

It can be written as a sum of positive squares in 2 ways, for example, as 128210329 + 3243601 = 11323^2 + 1801^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131453893 and 131453902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6572687 + ... + 6572706.

Almost surely, 2^131453930 is an apocalyptic number.

131453930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131453930 is a deficient number, since it is larger than the sum of its proper divisors (105163162).

131453930 is a wasteful number, since it uses less digits than its factorization.

131453930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145400.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 131453930 is about 11465.3360177537. The cubic root of 131453930 is about 508.4612469166.

The spelling of 131453930 in words is "one hundred thirty-one million, four hundred fifty-three thousand, nine hundred thirty".