133157751 has 16 divisors (see below), whose sum is σ = 179324928. Its totient is φ = 87886400.

The previous prime is 133157737. The next prime is 133157777. The reversal of 133157751 is 157751331.

It is a cyclic number.

It is not a de Polignac number, because 133157751 - 2¹⁴ = 133141367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133157711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160600 + ... + 161426.

It is an arithmetic number, because the mean of its divisors is an integer number (11207808).

Almost surely, 2^133157751 is an apocalyptic number.

133157751 is a deficient number, since it is larger than the sum of its proper divisors (46167177).

133157751 is a wasteful number, since it uses less digits than its factorization.

133157751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302.

The product of its digits is 11025, while the sum is 33.

The square root of 133157751 is about 11539.3999410715. The cubic root of 133157751 is about 510.6486057572.

The spelling of 133157751 in words is "one hundred thirty-three million, one hundred fifty-seven thousand, seven hundred fifty-one".