133793430 has 16 divisors (see below), whose sum is σ = 321104304. Its totient is φ = 35678240.

The previous prime is 133793423. The next prime is 133793437. The reversal of 133793430 is 34397331.

It is an interprime number because it is at equal distance from previous prime (133793423) and next prime (133793437).

It is a super-2 number, since 2×133793430² = 35801363822329800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133793391 and 133793400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133793437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229861 + ... + 2229920.

It is an arithmetic number, because the mean of its divisors is an integer number (20069019).

Almost surely, 2^133793430 is an apocalyptic number.

133793430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133793430 is an abundant number, since it is smaller than the sum of its proper divisors (187310874).

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

133793430 is a wasteful number, since it uses less digits than its factorization.

133793430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459791.

The product of its (nonzero) digits is 20412, while the sum is 33.

The square root of 133793430 is about 11566.9109964588. The cubic root of 133793430 is about 511.4599076675.

The spelling of 133793430 in words is "one hundred thirty-three million, seven hundred ninety-three thousand, four hundred thirty".