134644915 has 4 divisors (see below), whose sum is σ = 161573904. Its totient is φ = 107715928.

The previous prime is 134644907. The next prime is 134645003. The reversal of 134644915 is 519446431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134644915 - 2³ = 134644907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13464487 + ... + 13464496.

It is an arithmetic number, because the mean of its divisors is an integer number (40393476).

Almost surely, 2^134644915 is an apocalyptic number.

134644915 is a deficient number, since it is larger than the sum of its proper divisors (26928989).

134644915 is an equidigital number, since it uses as much as digits as its factorization.

134644915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26928988.

The product of its digits is 51840, while the sum is 37.

The square root of 134644915 is about 11603.6595520551. The cubic root of 134644915 is about 512.5426210836.

The spelling of 134644915 in words is "one hundred thirty-four million, six hundred forty-four thousand, nine hundred fifteen".