400532531134 has 4 divisors (see below), whose sum is σ = 600798796704. Its totient is φ = 200266265566.

The previous prime is 400532531117. The next prime is 400532531167. The reversal of 400532531134 is 431135235004.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 400532531096 and 400532531105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100133132782 + ... + 100133132785.

It is an arithmetic number, because the mean of its divisors is an integer number (150199699176).

Almost surely, 2^400532531134 is an apocalyptic number.

400532531134 is a deficient number, since it is larger than the sum of its proper divisors (200266265570).

400532531134 is a wasteful number, since it uses less digits than its factorization.

400532531134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200266265569.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 400532531134 its reverse (431135235004), we get a palindrome (831667766138).

The spelling of 400532531134 in words is "four hundred billion, five hundred thirty-two million, five hundred thirty-one thousand, one hundred thirty-four".