993135494 has 16 divisors (see below), whose sum is σ = 1605895200. Its totient is φ = 457913280.

The previous prime is 993135487. The next prime is 993135503. The reversal of 993135494 is 494531399.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 8282 + ... + 45330.

It is an arithmetic number, because the mean of its divisors is an integer number (100368450).

Almost surely, 2^993135494 is an apocalyptic number.

993135494 is a deficient number, since it is larger than the sum of its proper divisors (612759706).

993135494 is a wasteful number, since it uses less digits than its factorization.

993135494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38095.

The product of its digits is 524880, while the sum is 47.

The square root of 993135494 is about 31514.0523259069. The cubic root of 993135494 is about 997.7065755586.

The spelling of 993135494 in words is "nine hundred ninety-three million, one hundred thirty-five thousand, four hundred ninety-four".