135318194 has 16 divisors (see below), whose sum is σ = 221732640. Its totient is φ = 61424160.

The previous prime is 135318173. The next prime is 135318221. The reversal of 135318194 is 491813531.

It is a super-2 number, since 2×135318194² = 36622027254843272, which contains 22 as substring.

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, 13997 + ... + 21599.

It is an arithmetic number, because the mean of its divisors is an integer number (13858290).

Almost surely, 2^135318194 is an apocalyptic number.

135318194 is a deficient number, since it is larger than the sum of its proper divisors (86414446).

135318194 is a wasteful number, since it uses less digits than its factorization.

135318194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425.

The product of its digits is 12960, while the sum is 35.

The square root of 135318194 is about 11632.6348691945. The cubic root of 135318194 is about 513.3955078268.

The spelling of 135318194 in words is "one hundred thirty-five million, three hundred eighteen thousand, one hundred ninety-four".