133113902 has 4 divisors (see below), whose sum is σ = 199670856. Its totient is φ = 66556950.

The previous prime is 133113881. The next prime is 133113913. The reversal of 133113902 is 209311331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 209311331 = 37 ⋅5657063.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33278474 + ... + 33278477.

It is an arithmetic number, because the mean of its divisors is an integer number (49917714).

Almost surely, 2^133113902 is an apocalyptic number.

133113902 is a deficient number, since it is larger than the sum of its proper divisors (66556954).

133113902 is an equidigital number, since it uses as much as digits as its factorization.

133113902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66556953.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 133113902 is about 11537.4998158180. The cubic root of 133113902 is about 510.5925472130.

The spelling of 133113902 in words is "one hundred thirty-three million, one hundred thirteen thousand, nine hundred two".