133601531016 has 64 divisors (see below), whose sum is σ = 337074937920. Its totient is φ = 44126208000.

The previous prime is 133601531003. The next prime is 133601531071. The reversal of 133601531016 is 610135106331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105176 + ... + 1220088.

It is an arithmetic number, because the mean of its divisors is an integer number (5266795905).

Almost surely, 2^133601531016 is an apocalyptic number.

It is an amenable number.

133601531016 is an abundant number, since it is smaller than the sum of its proper divisors (203473406904).

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

133601531016 is a wasteful number, since it uses less digits than its factorization.

133601531016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115366 (or 115362 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

Adding to 133601531016 its reverse (610135106331), we get a palindrome (743736637347).

It can be divided in two parts, 1336015 and 31016, that added together give a triangular number (1367031 = T₁₆₅₃).

The spelling of 133601531016 in words is "one hundred thirty-three billion, six hundred one million, five hundred thirty-one thousand, sixteen".