135570994 has 8 divisors (see below), whose sum is σ = 218999340. Its totient is φ = 62571216.

The previous prime is 135570943. The next prime is 135571003. The reversal of 135570994 is 499075531.

It can be written as a sum of positive squares in 2 ways, for example, as 111197025 + 24373969 = 10545^2 + 4937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 135570994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607109 + ... + 2607160.

Almost surely, 2^135570994 is an apocalyptic number.

135570994 is a deficient number, since it is larger than the sum of its proper divisors (83428346).

135570994 is a wasteful number, since it uses less digits than its factorization.

135570994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214284.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 135570994 is about 11643.4957809070. The cubic root of 135570994 is about 513.7150156045.

The spelling of 135570994 in words is "one hundred thirty-five million, five hundred seventy thousand, nine hundred ninety-four".