134818590 has 32 divisors (see below), whose sum is σ = 328002336. Its totient is φ = 35458560.

The previous prime is 134818589. The next prime is 134818603. The reversal of 134818590 is 95818431.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 28591 + ... + 32970.

It is an arithmetic number, because the mean of its divisors is an integer number (10250073).

Almost surely, 2^134818590 is an apocalyptic number.

134818590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134818590 is an abundant number, since it is smaller than the sum of its proper divisors (193183746).

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

134818590 is a wasteful number, since it uses less digits than its factorization.

134818590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61644.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 134818590 is about 11611.1407708287. The cubic root of 134818590 is about 512.7628982327.

The spelling of 134818590 in words is "one hundred thirty-four million, eight hundred eighteen thousand, five hundred ninety".