133239375360 has 1600 divisors, whose sum is σ = 614882644992. Its totient is φ = 26802192384.

The previous prime is 133239375343. The next prime is 133239375371. The reversal of 133239375360 is 63573932331.

133239375360 is a `hidden beast` number, since 1 + 3 + 3 + 23 + 93 + 7 + 536 + 0 = 666.

It is a super-2 number, since 2×133239375360² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 434004327 + ... + 434004633.

Almost surely, 2^133239375360 is an apocalyptic number.

133239375360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133239375360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307441322496).

133239375360 is an abundant number, since it is smaller than the sum of its proper divisors (481643269632).

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

133239375360 is a wasteful number, since it uses less digits than its factorization.

133239375360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 45.

The spelling of 133239375360 in words is "one hundred thirty-three billion, two hundred thirty-nine million, three hundred seventy-five thousand, three hundred sixty".