131762401 has 4 divisors (see below), whose sum is σ = 133729072. Its totient is φ = 129795732.

The previous prime is 131762383. The next prime is 131762429. The reversal of 131762401 is 104267131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131762401 - 2²³ = 123373793 is a prime.

It is a super-2 number, since 2×131762401² = 34722660634569602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131762471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983235 + ... + 983368.

It is an arithmetic number, because the mean of its divisors is an integer number (33432268).

Almost surely, 2^131762401 is an apocalyptic number.

It is an amenable number.

131762401 is a deficient number, since it is larger than the sum of its proper divisors (1966671).

131762401 is an equidigital number, since it uses as much as digits as its factorization.

131762401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966670.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 131762401 is about 11478.7804665827. The cubic root of 131762401 is about 508.8586561684.

The spelling of 131762401 in words is "one hundred thirty-one million, seven hundred sixty-two thousand, four hundred one".