133083418 has 16 divisors (see below), whose sum is σ = 217201320. Its totient is φ = 60788736.

The previous prime is 133083383. The next prime is 133083437. The reversal of 133083418 is 814380331.

It can be written as a sum of positive squares in 4 ways, for example, as 73222249 + 59861169 = 8557^2 + 7737^2 .

It is a super-2 number, since 2×133083418² = 35422392293125448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133083418.

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, 23863 + ... + 28906.

Almost surely, 2^133083418 is an apocalyptic number.

133083418 is a deficient number, since it is larger than the sum of its proper divisors (84117902).

133083418 is a wasteful number, since it uses less digits than its factorization.

133083418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52881.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 133083418 is about 11536.1786567303. The cubic root of 133083418 is about 510.5535678345.

It can be divided in two parts, 1330 and 83418, that added together give a palindrome (84748).

The spelling of 133083418 in words is "one hundred thirty-three million, eighty-three thousand, four hundred eighteen".