134156990 has 64 divisors (see below), whose sum is σ = 273030912. Its totient is φ = 47040000.

The previous prime is 134156989. The next prime is 134157011. The reversal of 134156990 is 99651431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534365 + ... + 534615.

It is an arithmetic number, because the mean of its divisors is an integer number (4266108).

Almost surely, 2^134156990 is an apocalyptic number.

134156990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134156990 is an abundant number, since it is smaller than the sum of its proper divisors (138873922).

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

134156990 is a wasteful number, since it uses less digits than its factorization.

134156990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 134156990 is about 11582.6158530791. The cubic root of 134156990 is about 511.9227559862.

The spelling of 134156990 in words is "one hundred thirty-four million, one hundred fifty-six thousand, nine hundred ninety".