133264451257 has 8 divisors (see below), whose sum is σ = 152319488832. Its totient is φ = 114213728400.

The previous prime is 133264451249. The next prime is 133264451371. The reversal of 133264451257 is 752154462331.

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 133264451257 - 2³ = 133264451249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133264451207) 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, 1012219 + ... + 1136272.

It is an arithmetic number, because the mean of its divisors is an integer number (19039936104).

Almost surely, 2^133264451257 is an apocalyptic number.

It is an amenable number.

133264451257 is a deficient number, since it is larger than the sum of its proper divisors (19055037575).

133264451257 is an equidigital number, since it uses as much as digits as its factorization.

133264451257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157359.

The product of its digits is 604800, while the sum is 43.

The spelling of 133264451257 in words is "one hundred thirty-three billion, two hundred sixty-four million, four hundred fifty-one thousand, two hundred fifty-seven".