133239961351 has 8 divisors (see below), whose sum is σ = 153154440864. Its totient is φ = 113545531680.

The previous prime is 133239961333. The next prime is 133239961357. The reversal of 133239961351 is 153169932331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133239961351 - 2⁵ = 133239961319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133239961357) 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, 55011160 + ... + 55013581.

It is an arithmetic number, because the mean of its divisors is an integer number (19144305108).

Almost surely, 2^133239961351 is an apocalyptic number.

133239961351 is a deficient number, since it is larger than the sum of its proper divisors (19914479513).

133239961351 is a wasteful number, since it uses less digits than its factorization.

133239961351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110024921.

The product of its digits is 393660, while the sum is 46.

The spelling of 133239961351 in words is "one hundred thirty-three billion, two hundred thirty-nine million, nine hundred sixty-one thousand, three hundred fifty-one".