133196940 has 48 divisors (see below), whose sum is σ = 414392160. Its totient is φ = 35519040.

The previous prime is 133196909. The next prime is 133196963. The reversal of 133196940 is 49691331.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 133196895 and 133196904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122791 + ... + 123870.

It is an arithmetic number, because the mean of its divisors is an integer number (8633170).

Almost surely, 2^133196940 is an apocalyptic number.

133196940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133196940 is an abundant number, since it is smaller than the sum of its proper divisors (281195220).

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

133196940 is a wasteful number, since it uses less digits than its factorization.

133196940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246679 (or 246671 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 133196940 is about 11541.0978680540. The cubic root of 133196940 is about 510.6986963332.

The spelling of 133196940 in words is "one hundred thirty-three million, one hundred ninety-six thousand, nine hundred forty".