133115643534 has 32 divisors (see below), whose sum is σ = 272380792320. Its totient is φ = 43358545152.

The previous prime is 133115643491. The next prime is 133115643539. The reversal of 133115643534 is 435346511331.

It is a junction number, because it is equal to n+sod(n) for n = 133115643492 and 133115643501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133115643539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1401624 + ... + 1493579.

It is an arithmetic number, because the mean of its divisors is an integer number (8511899760).

Almost surely, 2^133115643534 is an apocalyptic number.

133115643534 is an abundant number, since it is smaller than the sum of its proper divisors (139265148786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133115643534 is a wasteful number, since it uses less digits than its factorization.

133115643534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895384.

The product of its digits is 194400, while the sum is 39.

The spelling of 133115643534 in words is "one hundred thirty-three billion, one hundred fifteen million, six hundred forty-three thousand, five hundred thirty-four".