133257559250 has 128 divisors (see below), whose sum is σ = 274211308800. Its totient is φ = 48295296000.

The previous prime is 133257559247. The next prime is 133257559261. The reversal of 133257559250 is 52955752331.

It is a junction number, because it is equal to n+sod(n) for n = 133257559195 and 133257559204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14734730 + ... + 14743770.

It is an arithmetic number, because the mean of its divisors is an integer number (2142275850).

Almost surely, 2^133257559250 is an apocalyptic number.

133257559250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133257559250 is an abundant number, since it is smaller than the sum of its proper divisors (140953749550).

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

133257559250 is a wasteful number, since it uses less digits than its factorization.

133257559250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213 (or 9203 counting only the distinct ones).

The product of its (nonzero) digits is 1417500, while the sum is 47.

The spelling of 133257559250 in words is "one hundred thirty-three billion, two hundred fifty-seven million, five hundred fifty-nine thousand, two hundred fifty".