133061430 has 16 divisors (see below), whose sum is σ = 319347504. Its totient is φ = 35483040.

The previous prime is 133061419. The next prime is 133061443. The reversal of 133061430 is 34160331.

It is a junction number, because it is equal to n+sod(n) for n = 133061397 and 133061406.

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, 2217661 + ... + 2217720.

It is an arithmetic number, because the mean of its divisors is an integer number (19959219).

Almost surely, 2^133061430 is an apocalyptic number.

133061430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133061430 is an abundant number, since it is smaller than the sum of its proper divisors (186286074).

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

133061430 is a wasteful number, since it uses less digits than its factorization.

133061430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435391.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 133061430 is about 11535.2256154789. The cubic root of 133061430 is about 510.5254484531.

The spelling of 133061430 in words is "one hundred thirty-three million, sixty-one thousand, four hundred thirty".