134535990 has 32 divisors (see below), whose sum is σ = 323237376. Its totient is φ = 35837280.

The previous prime is 134535971. The next prime is 134536009. The reversal of 134535990 is 99535431.

It is an interprime number because it is at equal distance from previous prime (134535971) and next prime (134536009).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35109 + ... + 38751.

It is an arithmetic number, because the mean of its divisors is an integer number (10101168).

Almost surely, 2^134535990 is an apocalyptic number.

134535990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134535990 is an abundant number, since it is smaller than the sum of its proper divisors (188701386).

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

134535990 is a wasteful number, since it uses less digits than its factorization.

134535990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4884.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 134535990 is about 11598.9650400370. The cubic root of 134535990 is about 512.4043716083.

The spelling of 134535990 in words is "one hundred thirty-four million, five hundred thirty-five thousand, nine hundred ninety".