133781958096 has 40 divisors (see below), whose sum is σ = 345618486144. Its totient is φ = 44592038400.

The previous prime is 133781958083. The next prime is 133781958097. The reversal of 133781958096 is 690859187331.

It is a super-2 number, since 2×133781958096² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133781958097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1422121 + ... + 1513271.

Almost surely, 2^133781958096 is an apocalyptic number.

133781958096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133781958096 is an abundant number, since it is smaller than the sum of its proper divisors (211836528048).

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

133781958096 is a wasteful number, since it uses less digits than its factorization.

133781958096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121739 (or 121733 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 133781958096 in words is "one hundred thirty-three billion, seven hundred eighty-one million, nine hundred fifty-eight thousand, ninety-six".