134312790 has 32 divisors (see below), whose sum is σ = 322672896. Its totient is φ = 35780960.

The previous prime is 134312723. The next prime is 134312791. The reversal of 134312790 is 97213431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134312791) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43849 + ... + 46811.

It is an arithmetic number, because the mean of its divisors is an integer number (10083528).

Almost surely, 2^134312790 is an apocalyptic number.

134312790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134312790 is an abundant number, since it is smaller than the sum of its proper divisors (188360106).

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

134312790 is a wasteful number, since it uses less digits than its factorization.

134312790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 134312790 is about 11589.3394980042. The cubic root of 134312790 is about 512.1208490572.

The spelling of 134312790 in words is "one hundred thirty-four million, three hundred twelve thousand, seven hundred ninety".