134339988 has 48 divisors (see below), whose sum is σ = 325140480. Its totient is φ = 43125600.

The previous prime is 134339971. The next prime is 134340043. The reversal of 134339988 is 889933431.

It is a congruent number.

It is an unprimeable number.

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, 88153 + ... + 89663.

It is an arithmetic number, because the mean of its divisors is an integer number (6773760).

Almost surely, 2^134339988 is an apocalyptic number.

It is an amenable number.

134339988 is an abundant number, since it is smaller than the sum of its proper divisors (190800492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134339988 is a wasteful number, since it uses less digits than its factorization.

134339988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1786 counting only the distinct ones).

The product of its digits is 559872, while the sum is 48.

The square root of 134339988 is about 11590.5128445639. The cubic root of 134339988 is about 512.1554144494.

The spelling of 134339988 in words is "one hundred thirty-four million, three hundred thirty-nine thousand, nine hundred eighty-eight".