133134279990 has 32 divisors (see below), whose sum is σ = 319556041056. Its totient is φ = 35498722560.

The previous prime is 133134279937. The next prime is 133134280009. The reversal of 133134279990 is 99972431331.

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, 60154 + ... + 519506.

It is an arithmetic number, because the mean of its divisors is an integer number (9986126283).

Almost surely, 2^133134279990 is an apocalyptic number.

133134279990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133134279990 is an abundant number, since it is smaller than the sum of its proper divisors (186421761066).

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

133134279990 is a wasteful number, since it uses less digits than its factorization.

133134279990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469024.

The product of its (nonzero) digits is 1102248, while the sum is 51.

The spelling of 133134279990 in words is "one hundred thirty-three billion, one hundred thirty-four million, two hundred seventy-nine thousand, nine hundred ninety".