193155136 has 28 divisors (see below), whose sum is σ = 384966972. Its totient is φ = 96155648.

The previous prime is 193155119. The next prime is 193155143. The reversal of 193155136 is 631551391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27878400 + 165276736 = 5280^2 + 12856^2 .

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, 8436 + ... + 21388.

Almost surely, 2^193155136 is an apocalyptic number.

193155136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

193155136 is a deficient number, since it is larger than the sum of its proper divisors (191811836).

193155136 is a wasteful number, since it uses less digits than its factorization.

193155136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198 (or 13188 counting only the distinct ones).

The product of its digits is 12150, while the sum is 34.

The square root of 193155136 is about 13898.0263346995. The cubic root of 193155136 is about 578.0544562223.

The spelling of 193155136 in words is "one hundred ninety-three million, one hundred fifty-five thousand, one hundred thirty-six".