133957700 has 18 divisors (see below), whose sum is σ = 290688426. Its totient is φ = 53583040.

The previous prime is 133957669. The next prime is 133957709. The reversal of 133957700 is 7759331.

It can be written as a sum of positive squares in 3 ways, for example, as 1201216 + 132756484 = 1096^2 + 11522^2 .

It is not an unprimeable number, because it can be changed into a prime (133957709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669689 + ... + 669888.

It is an arithmetic number, because the mean of its divisors is an integer number (16149357).

Almost surely, 2^133957700 is an apocalyptic number.

133957700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133957700 is an abundant number, since it is smaller than the sum of its proper divisors (156730726).

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

133957700 is a wasteful number, since it uses less digits than its factorization.

133957700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339591 (or 1339584 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 133957700 is about 11574.0096768579. The cubic root of 133957700 is about 511.6691435451.

The spelling of 133957700 in words is "one hundred thirty-three million, nine hundred fifty-seven thousand, seven hundred".