133535137400 has 48 divisors (see below), whose sum is σ = 354821940240. Its totient is φ = 45783475200.

The previous prime is 133535137399. The next prime is 133535137403. The reversal of 133535137400 is 4731535331.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133535137403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47689721 + ... + 47692520.

It is an arithmetic number, because the mean of its divisors is an integer number (7392123755).

Almost surely, 2^133535137400 is an apocalyptic number.

133535137400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133535137400 is an abundant number, since it is smaller than the sum of its proper divisors (221286802840).

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

133535137400 is a wasteful number, since it uses less digits than its factorization.

133535137400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95382264 (or 95382255 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 35.

The spelling of 133535137400 in words is "one hundred thirty-three billion, five hundred thirty-five million, one hundred thirty-seven thousand, four hundred".