402231134 has 4 divisors (see below), whose sum is σ = 603346704. Its totient is φ = 201115566.

The previous prime is 402231119. The next prime is 402231157. The reversal of 402231134 is 431132204.

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

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, 100557782 + ... + 100557785.

It is an arithmetic number, because the mean of its divisors is an integer number (150836676).

Almost surely, 2^402231134 is an apocalyptic number.

402231134 is a deficient number, since it is larger than the sum of its proper divisors (201115570).

402231134 is a wasteful number, since it uses less digits than its factorization.

402231134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201115569.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 402231134 is about 20055.7007855622. The cubic root of 402231134 is about 738.1736885032.

Adding to 402231134 its reverse (431132204), we get a palindrome (833363338).

The spelling of 402231134 in words is "four hundred two million, two hundred thirty-one thousand, one hundred thirty-four".