134912590 has 8 divisors (see below), whose sum is σ = 242842680. Its totient is φ = 53965032.

The previous prime is 134912587. The next prime is 134912671. The reversal of 134912590 is 95219431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6745620 + ... + 6745639.

It is an arithmetic number, because the mean of its divisors is an integer number (30355335).

Almost surely, 2^134912590 is an apocalyptic number.

134912590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134912590 is a deficient number, since it is larger than the sum of its proper divisors (107930090).

134912590 is a wasteful number, since it uses less digits than its factorization.

134912590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13491266.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 134912590 is about 11615.1879020531. The cubic root of 134912590 is about 512.8820423226.

The spelling of 134912590 in words is "one hundred thirty-four million, nine hundred twelve thousand, five hundred ninety".