401131437 has 16 divisors (see below), whose sum is σ = 613072512. Its totient is φ = 228533760.

The previous prime is 401131433. The next prime is 401131441. The reversal of 401131437 is 734131104.

It is an interprime number because it is at equal distance from previous prime (401131433) and next prime (401131441).

It is not a de Polignac number, because 401131437 - 2² = 401131433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401131433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21264 + ... + 35417.

It is an arithmetic number, because the mean of its divisors is an integer number (38317032).

Almost surely, 2^401131437 is an apocalyptic number.

It is an amenable number.

401131437 is a deficient number, since it is larger than the sum of its proper divisors (211941075).

401131437 is a wasteful number, since it uses less digits than its factorization.

401131437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57028.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 401131437 is about 20028.2659509005. The cubic root of 401131437 is about 737.5003539977.

The spelling of 401131437 in words is "four hundred one million, one hundred thirty-one thousand, four hundred thirty-seven".