133339521340 has 24 divisors (see below), whose sum is σ = 280020469680. Its totient is φ = 53334384768.

The previous prime is 133339521313. The next prime is 133339521361. The reversal of 133339521340 is 43125933331.

It is a self number, because there is not a number n which added to its sum of digits gives 133339521340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009999 + ... + 1134361.

It is an arithmetic number, because the mean of its divisors is an integer number (11667519570).

Almost surely, 2^133339521340 is an apocalyptic number.

133339521340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133339521340 is an abundant number, since it is smaller than the sum of its proper divisors (146680948340).

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

133339521340 is a wasteful number, since it uses less digits than its factorization.

133339521340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177981 (or 177979 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 37.

The spelling of 133339521340 in words is "one hundred thirty-three billion, three hundred thirty-nine million, five hundred twenty-one thousand, three hundred forty".