133412564250 has 192 divisors, whose sum is σ = 426501054720. Its totient is φ = 29442672000.

The previous prime is 133412564209. The next prime is 133412564261. The reversal of 133412564250 is 52465214331.

133412564250 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 1 + 2 + 5 + 642 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 310705 + ... + 602795.

It is an arithmetic number, because the mean of its divisors is an integer number (2221359660).

Almost surely, 2^133412564250 is an apocalyptic number.

133412564250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133412564250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213250527360).

133412564250 is an abundant number, since it is smaller than the sum of its proper divisors (293088490470).

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

133412564250 is a wasteful number, since it uses less digits than its factorization.

133412564250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292150 (or 292137 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 133412564250 its reverse (52465214331), we get a palindrome (185877778581).

The spelling of 133412564250 in words is "one hundred thirty-three billion, four hundred twelve million, five hundred sixty-four thousand, two hundred fifty".