133439287051 has 8 divisors (see below), whose sum is σ = 152504939744. Its totient is φ = 114374358720.

The previous prime is 133439287043. The next prime is 133439287057. The reversal of 133439287051 is 150782934331.

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

It is a cyclic number.

It is not a de Polignac number, because 133439287051 - 2³ = 133439287043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133439286992 and 133439287010.

It is not an unprimeable number, because it can be changed into a prime (133439287057) 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, 298261 + ... + 596521.

It is an arithmetic number, because the mean of its divisors is an integer number (19063117468).

Almost surely, 2^133439287051 is an apocalyptic number.

133439287051 is the 298261-st pentagonal number.

133439287051 is a deficient number, since it is larger than the sum of its proper divisors (19065652693).

133439287051 is an equidigital number, since it uses as much as digits as its factorization.

133439287051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362181.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 133439287051 in words is "one hundred thirty-three billion, four hundred thirty-nine million, two hundred eighty-seven thousand, fifty-one".