1993248136 has 32 divisors (see below), whose sum is σ = 4103095680. Its totient is φ = 900244800.

The previous prime is 1993248121. The next prime is 1993248151. The reversal of 1993248136 is 6318423991.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1993248121) and next prime (1993248151).

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, 58320 + ... + 85951.

It is an arithmetic number, because the mean of its divisors is an integer number (128221740).

Almost surely, 2^1993248136 is an apocalyptic number.

It is an amenable number.

1993248136 is an abundant number, since it is smaller than the sum of its proper divisors (2109847544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1993248136 is a wasteful number, since it uses less digits than its factorization.

1993248136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144445 (or 144441 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 1993248136 is about 44645.8075971306. The cubic root of 1993248136 is about 1258.5016488308.

The spelling of 1993248136 in words is "one billion, nine hundred ninety-three million, two hundred forty-eight thousand, one hundred thirty-six".