133700390 has 16 divisors (see below), whose sum is σ = 243708480. Its totient is φ = 52802880.

The previous prime is 133700387. The next prime is 133700401. The reversal of 133700390 is 93007331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83831 + ... + 85410.

It is an arithmetic number, because the mean of its divisors is an integer number (15231780).

Almost surely, 2^133700390 is an apocalyptic number.

133700390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133700390 is a deficient number, since it is larger than the sum of its proper divisors (110008090).

133700390 is a wasteful number, since it uses less digits than its factorization.

133700390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169327.

The product of its (nonzero) digits is 1701, while the sum is 26.

The square root of 133700390 is about 11562.8884799604. Note that the first 3 decimals coincide. The cubic root of 133700390 is about 511.3413237067.

The spelling of 133700390 in words is "one hundred thirty-three million, seven hundred thousand, three hundred ninety".