133425531000 has 384 divisors, whose sum is σ = 459328371840. Its totient is φ = 34926336000.

The previous prime is 133425530983. The next prime is 133425531023. The reversal of 133425531000 is 135524331.

133425531000 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 2 + 553 + 100 + 0 = 666.

It is a super-2 number, since 2×133425531000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 204326674 + ... + 204327326.

It is an arithmetic number, because the mean of its divisors is an integer number (1196167635).

Almost surely, 2^133425531000 is an apocalyptic number.

133425531000 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 133425531000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229664185920).

133425531000 is an abundant number, since it is smaller than the sum of its proper divisors (325902840840).

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

133425531000 is a wasteful number, since it uses less digits than its factorization.

133425531000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 133425531000 in words is "one hundred thirty-three billion, four hundred twenty-five million, five hundred thirty-one thousand".