133157757 has 8 divisors (see below), whose sum is σ = 186888160. Its totient is φ = 84099600.

The previous prime is 133157737. The next prime is 133157777. The reversal of 133157757 is 757751331.

It is an interprime number because it is at equal distance from previous prime (133157737) and next prime (133157777).

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

It is not a de Polignac number, because 133157757 - 2¹² = 133153661 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 (133157737) 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, 1167994 + ... + 1168107.

It is an arithmetic number, because the mean of its divisors is an integer number (23361020).

Almost surely, 2^133157757 is an apocalyptic number.

It is an amenable number.

133157757 is a deficient number, since it is larger than the sum of its proper divisors (53730403).

133157757 is a wasteful number, since it uses less digits than its factorization.

133157757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336123.

The product of its digits is 77175, while the sum is 39.

The square root of 133157757 is about 11539.4002010503. The cubic root of 133157757 is about 510.6486134270.

The spelling of 133157757 in words is "one hundred thirty-three million, one hundred fifty-seven thousand, seven hundred fifty-seven".