401551134 has 16 divisors (see below), whose sum is σ = 803647872. Its totient is φ = 133759448.

The previous prime is 401551061. The next prime is 401551141. The reversal of 401551134 is 431155104.

It is a happy number.

It is a super-2 number, since 2×401551134² = 322486626433371912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12834 + ... + 31109.

It is an arithmetic number, because the mean of its divisors is an integer number (50227992).

Almost surely, 2^401551134 is an apocalyptic number.

401551134 is an abundant number, since it is smaller than the sum of its proper divisors (402096738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401551134 is a wasteful number, since it uses less digits than its factorization.

401551134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45471.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 401551134 is about 20038.7408287048. The cubic root of 401551134 is about 737.7574757035.

The spelling of 401551134 in words is "four hundred one million, five hundred fifty-one thousand, one hundred thirty-four".