133989486 has 32 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 44171424.

The previous prime is 133989439. The next prime is 133989487. The reversal of 133989486 is 684989331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133989487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349651 + ... + 350033.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^133989486 is an apocalyptic number.

133989486 is an abundant number, since it is smaller than the sum of its proper divisors (136960914).

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

133989486 is a wasteful number, since it uses less digits than its factorization.

133989486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880.

The product of its digits is 1119744, while the sum is 51.

The square root of 133989486 is about 11575.3827582504. The cubic root of 133989486 is about 511.7096106208.

The spelling of 133989486 in words is "one hundred thirty-three million, nine hundred eighty-nine thousand, four hundred eighty-six".