133386770 has 24 divisors (see below), whose sum is σ = 263909772. Its totient is φ = 48503840.

The previous prime is 133386733. The next prime is 133386779. The reversal of 133386770 is 77683331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125641681 + 7745089 = 11209^2 + 2783^2 .

It is a super-2 number, since 2×133386770² = 35584060822065800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133386779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53909 + ... + 56328.

Almost surely, 2^133386770 is an apocalyptic number.

133386770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133386770 is a deficient number, since it is larger than the sum of its proper divisors (130523002).

133386770 is a wasteful number, since it uses less digits than its factorization.

133386770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110266 (or 110255 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 133386770 is about 11549.3190275444. The cubic root of 133386770 is about 510.9411941832.

The spelling of 133386770 in words is "one hundred thirty-three million, three hundred eighty-six thousand, seven hundred seventy".