133230157557 has 16 divisors (see below), whose sum is σ = 203561677440. Its totient is φ = 75927408192.

The previous prime is 133230157537. The next prime is 133230157573. The reversal of 133230157557 is 755751032331.

It is not a de Polignac number, because 133230157557 - 2⁸ = 133230157301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230157537) 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, 8496582 + ... + 8512247.

It is an arithmetic number, because the mean of its divisors is an integer number (12722604840).

Almost surely, 2^133230157557 is an apocalyptic number.

It is an amenable number.

133230157557 is a deficient number, since it is larger than the sum of its proper divisors (70331519883).

133230157557 is a wasteful number, since it uses less digits than its factorization.

133230157557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17009212.

The product of its (nonzero) digits is 330750, while the sum is 42.

Adding to 133230157557 its reverse (755751032331), we get a palindrome (888981189888).

The spelling of 133230157557 in words is "one hundred thirty-three billion, two hundred thirty million, one hundred fifty-seven thousand, five hundred fifty-seven".