131553401 has 8 divisors (see below), whose sum is σ = 151005120. Its totient is φ = 112266288.

The previous prime is 131553349. The next prime is 131553419. The reversal of 131553401 is 104355131.

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 131553401 - 2²⁶ = 64444537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131553101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39431 + ... + 42636.

It is an arithmetic number, because the mean of its divisors is an integer number (18875640).

Almost surely, 2^131553401 is an apocalyptic number.

It is an amenable number.

131553401 is a deficient number, since it is larger than the sum of its proper divisors (19451719).

131553401 is an equidigital number, since it uses as much as digits as its factorization.

131553401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82303.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 131553401 is about 11469.6730990905. The cubic root of 131553401 is about 508.5894652128.

The spelling of 131553401 in words is "one hundred thirty-one million, five hundred fifty-three thousand, four hundred one".