134605394 has 32 divisors (see below), whose sum is σ = 257596416. Its totient is φ = 51221520.

The previous prime is 134605381. The next prime is 134605399. The reversal of 134605394 is 493506431.

It is a happy number.

It is a super-2 number, since 2×134605394² = 36237224187790472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134605399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3542 + ... + 16785.

It is an arithmetic number, because the mean of its divisors is an integer number (8049888).

Almost surely, 2^134605394 is an apocalyptic number.

134605394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

134605394 is a deficient number, since it is larger than the sum of its proper divisors (122991022).

134605394 is a wasteful number, since it uses less digits than its factorization.

134605394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20390.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 134605394 is about 11601.9564729402. The cubic root of 134605394 is about 512.4924689752.

The spelling of 134605394 in words is "one hundred thirty-four million, six hundred five thousand, three hundred ninety-four".