1493136020 has 24 divisors (see below), whose sum is σ = 3140489184. Its totient is φ = 596320416.

The previous prime is 1493136013. The next prime is 1493136037. The reversal of 1493136020 is 206313941.

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, 45194 + ... + 70913.

It is an arithmetic number, because the mean of its divisors is an integer number (130853716).

Almost surely, 2^1493136020 is an apocalyptic number.

1493136020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493136020 is an abundant number, since it is smaller than the sum of its proper divisors (1647353164).

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

1493136020 is a wasteful number, since it uses less digits than its factorization.

1493136020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116759 (or 116757 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1493136020 is about 38641.1182550402. The cubic root of 1493136020 is about 1142.9655067337.

Adding to 1493136020 its reverse (206313941), we get a palindrome (1699449961).

The spelling of 1493136020 in words is "one billion, four hundred ninety-three million, one hundred thirty-six thousand, twenty".