133857470000 has 200 divisors, whose sum is σ = 355983048960. Its totient is φ = 48517920000.

The previous prime is 133857469979. The next prime is 133857470011. The reversal of 133857470000 is 74758331.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4354685 + ... + 4385315.

Almost surely, 2^133857470000 is an apocalyptic number.

133857470000 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 133857470000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177991524480).

133857470000 is an abundant number, since it is smaller than the sum of its proper divisors (222125578960).

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

133857470000 is a wasteful number, since it uses less digits than its factorization.

133857470000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30701 (or 30680 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 133857470000 in words is "one hundred thirty-three billion, eight hundred fifty-seven million, four hundred seventy thousand".