131653403 has 8 divisors (see below), whose sum is σ = 157003008. Its totient is φ = 107939304.

The previous prime is 131653387. The next prime is 131653409. The reversal of 131653403 is 304356131.

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 131653403 - 2⁴ = 131653387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131653409) 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, 408701 + ... + 409022.

It is an arithmetic number, because the mean of its divisors is an integer number (19625376).

Almost surely, 2^131653403 is an apocalyptic number.

131653403 is a deficient number, since it is larger than the sum of its proper divisors (25349605).

131653403 is an equidigital number, since it uses as much as digits as its factorization.

131653403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817753.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 131653403 is about 11474.0316802770. The cubic root of 131653403 is about 508.7183028343.

The spelling of 131653403 in words is "one hundred thirty-one million, six hundred fifty-three thousand, four hundred three".