134400542 has 32 divisors (see below), whose sum is σ = 216082944. Its totient is φ = 62596800.

The previous prime is 134400491. The next prime is 134400551. The reversal of 134400542 is 245004431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165317 + ... + 166127.

It is an arithmetic number, because the mean of its divisors is an integer number (6752592).

Almost surely, 2^134400542 is an apocalyptic number.

134400542 is a deficient number, since it is larger than the sum of its proper divisors (81682402).

134400542 is a wasteful number, since it uses less digits than its factorization.

134400542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 134400542 is about 11593.1247728988. The cubic root of 134400542 is about 512.2323545595.

Adding to 134400542 its reverse (245004431), we get a palindrome (379404973).

The spelling of 134400542 in words is "one hundred thirty-four million, four hundred thousand, five hundred forty-two".