134390864 has 10 divisors (see below), whose sum is σ = 260382330. Its totient is φ = 67195424.

The previous prime is 134390833. The next prime is 134390887. The reversal of 134390864 is 468093431.

134390864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 124099600 + 10291264 = 11140^2 + 3208^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199699 + ... + 4199730.

It is an arithmetic number, because the mean of its divisors is an integer number (26038233).

Almost surely, 2^134390864 is an apocalyptic number.

It is an amenable number.

134390864 is a deficient number, since it is larger than the sum of its proper divisors (125991466).

134390864 is an equidigital number, since it uses as much as digits as its factorization.

134390864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399437 (or 8399431 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 134390864 is about 11592.7073628208. The cubic root of 134390864 is about 512.2200592129.

The spelling of 134390864 in words is "one hundred thirty-four million, three hundred ninety thousand, eight hundred sixty-four".