133559906079 has 12 divisors (see below), whose sum is σ = 187945797336. Its totient is φ = 84353624208.

The previous prime is 133559906069. The next prime is 133559906083. The reversal of 133559906079 is 970609955331.

It is a happy number.

It is not a de Polignac number, because 133559906079 - 2⁷ = 133559905951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133559906069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61660924 + ... + 61663089.

It is an arithmetic number, because the mean of its divisors is an integer number (15662149778).

Almost surely, 2^133559906079 is an apocalyptic number.

133559906079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

133559906079 is a deficient number, since it is larger than the sum of its proper divisors (54385891257).

133559906079 is a wasteful number, since it uses less digits than its factorization.

133559906079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123324054 (or 123324035 counting only the distinct ones).

The product of its (nonzero) digits is 6889050, while the sum is 57.

The spelling of 133559906079 in words is "one hundred thirty-three billion, five hundred fifty-nine million, nine hundred six thousand, seventy-nine".