133478706 has 32 divisors (see below), whose sum is σ = 288178560. Its totient is φ = 41089664.

The previous prime is 133478701. The next prime is 133478707. The reversal of 133478706 is 607874331.

It is not an unprimeable number, because it can be changed into a prime (133478701) 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, 12675 + ... + 20678.

It is an arithmetic number, because the mean of its divisors is an integer number (9005580).

Almost surely, 2^133478706 is an apocalyptic number.

133478706 is an abundant number, since it is smaller than the sum of its proper divisors (154699854).

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

133478706 is a wasteful number, since it uses less digits than its factorization.

133478706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33410.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 133478706 is about 11553.2984900417. The cubic root of 133478706 is about 511.0585549019.

The spelling of 133478706 in words is "one hundred thirty-three million, four hundred seventy-eight thousand, seven hundred six".