134933991280 has 80 divisors (see below), whose sum is σ = 343662298848. Its totient is φ = 48863232000.

The previous prime is 134933991277. The next prime is 134933991301. The reversal of 134933991280 is 82199339431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×134933991280² (a number of 23 digits) contains 22 as substring.

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, 106041 + ... + 530200.

Almost surely, 2^134933991280 is an apocalyptic number.

134933991280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

134933991280 is an abundant number, since it is smaller than the sum of its proper divisors (208728307568).

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

134933991280 is a wasteful number, since it uses less digits than its factorization.

134933991280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636506 (or 636500 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 134933991280 in words is "one hundred thirty-four billion, nine hundred thirty-three million, nine hundred ninety-one thousand, two hundred eighty".