134256765 has 16 divisors (see below), whose sum is σ = 215940096. Its totient is φ = 71227200.

The previous prime is 134256761. The next prime is 134256781. The reversal of 134256765 is 567652431.

It is not a de Polignac number, because 134256765 - 2² = 134256761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134256761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20566 + ... + 26295.

It is an arithmetic number, because the mean of its divisors is an integer number (13496256).

Almost surely, 2^134256765 is an apocalyptic number.

134256765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134256765 is a deficient number, since it is larger than the sum of its proper divisors (81683331).

134256765 is a wasteful number, since it uses less digits than its factorization.

134256765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47060.

The product of its digits is 151200, while the sum is 39.

The square root of 134256765 is about 11586.9221538768. The cubic root of 134256765 is about 512.0496333008.

The spelling of 134256765 in words is "one hundred thirty-four million, two hundred fifty-six thousand, seven hundred sixty-five".