133257120739 has 8 divisors (see below), whose sum is σ = 133827830640. Its totient is φ = 132686969376.

The previous prime is 133257120721. The next prime is 133257120761. The reversal of 133257120739 is 937021752331.

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 133257120739 - 2⁷ = 133257120611 is a prime.

It is a super-2 number, since 2×133257120739² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133257120695 and 133257120704.

It is not an unprimeable number, because it can be changed into a prime (133257123739) 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, 342097 + ... + 619309.

It is an arithmetic number, because the mean of its divisors is an integer number (16728478830).

Almost surely, 2^133257120739 is an apocalyptic number.

133257120739 is a deficient number, since it is larger than the sum of its proper divisors (570709901).

133257120739 is a wasteful number, since it uses less digits than its factorization.

133257120739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279269.

The product of its (nonzero) digits is 238140, while the sum is 43.

The spelling of 133257120739 in words is "one hundred thirty-three billion, two hundred fifty-seven million, one hundred twenty thousand, seven hundred thirty-nine".