133409370 has 32 divisors (see below), whose sum is σ = 339018048. Its totient is φ = 33483008.

The previous prime is 133409369. The next prime is 133409371. The reversal of 133409370 is 73904331.

It is an interprime number because it is at equal distance from previous prime (133409369) and next prime (133409371).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (133409371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130284 + ... + 131303.

It is an arithmetic number, because the mean of its divisors is an integer number (10594314).

Almost surely, 2^133409370 is an apocalyptic number.

133409370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133409370 is an abundant number, since it is smaller than the sum of its proper divisors (205608678).

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

133409370 is a wasteful number, since it uses less digits than its factorization.

133409370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261614.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 133409370 is about 11550.2973987686. The cubic root of 133409370 is about 510.9700491660.

The spelling of 133409370 in words is "one hundred thirty-three million, four hundred nine thousand, three hundred seventy".