134691456 has 64 divisors (see below), whose sum is σ = 376624800. Its totient is φ = 42531840.

The previous prime is 134691451. The next prime is 134691463. The reversal of 134691456 is 654196431.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (134691451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935 + ... + 16526.

Almost surely, 2^134691456 is an apocalyptic number.

134691456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134691456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188312400).

134691456 is an abundant number, since it is smaller than the sum of its proper divisors (241933344).

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

134691456 is a wasteful number, since it uses less digits than its factorization.

134691456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18497 (or 18485 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 134691456 is about 11605.6648236971. The cubic root of 134691456 is about 512.6016689830.

The spelling of 134691456 in words is "one hundred thirty-four million, six hundred ninety-one thousand, four hundred fifty-six".