133540700 has 18 divisors (see below), whose sum is σ = 289783536. Its totient is φ = 53416240.

The previous prime is 133540699. The next prime is 133540703. The reversal of 133540700 is 7045331.

It is a happy number.

133540700 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133540703) 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, 667604 + ... + 667803.

Almost surely, 2^133540700 is an apocalyptic number.

133540700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133540700 is an abundant number, since it is smaller than the sum of its proper divisors (156242836).

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

133540700 is a wasteful number, since it uses less digits than its factorization.

133540700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335421 (or 1335414 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 133540700 is about 11555.9811353256. The cubic root of 133540700 is about 511.1376628018.

The spelling of 133540700 in words is "one hundred thirty-three million, five hundred forty thousand, seven hundred".