134440656 has 80 divisors (see below), whose sum is σ = 417830400. Its totient is φ = 36388224.

The previous prime is 134440609. The next prime is 134440667. The reversal of 134440656 is 656044431.

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, 4146 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (5222880).

Almost surely, 2^134440656 is an apocalyptic number.

134440656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

134440656 is an abundant number, since it is smaller than the sum of its proper divisors (283389744).

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

134440656 is a wasteful number, since it uses less digits than its factorization.

134440656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21096 (or 21090 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 134440656 is about 11594.8547209527. The cubic root of 134440656 is about 512.2833108141.

It can be divided in two parts, 1344 and 40656, that multiplied together give a square (54641664 = 7392²).

The spelling of 134440656 in words is "one hundred thirty-four million, four hundred forty thousand, six hundred fifty-six".