134645790 has 16 divisors (see below), whose sum is σ = 323149968. Its totient is φ = 35905536.

The previous prime is 134645789. The next prime is 134645801. The reversal of 134645790 is 97546431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2244067 + ... + 2244126.

It is an arithmetic number, because the mean of its divisors is an integer number (20196873).

Almost surely, 2^134645790 is an apocalyptic number.

134645790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134645790 is an abundant number, since it is smaller than the sum of its proper divisors (188504178).

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

134645790 is a wasteful number, since it uses less digits than its factorization.

134645790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4488203.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 134645790 is about 11603.6972556164. The cubic root of 134645790 is about 512.5437313466.

The spelling of 134645790 in words is "one hundred thirty-four million, six hundred forty-five thousand, seven hundred ninety".