1373142784 has 36 divisors (see below), whose sum is σ = 2951769016. Its totient is φ = 633756672.

The previous prime is 1373142781. The next prime is 1373142791. The reversal of 1373142784 is 4872413731.

It is a super-2 number, since 2×1373142784² = 3771042210502541312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373142781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202974 + ... + 209629.

Almost surely, 2^1373142784 is an apocalyptic number.

It is an amenable number.

1373142784 is an abundant number, since it is smaller than the sum of its proper divisors (1578626232).

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

1373142784 is an equidigital number, since it uses as much as digits as its factorization.

1373142784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412632 (or 412618 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 1373142784 is about 37055.9412780191. The cubic root of 1373142784 is about 1111.4891637747.

The spelling of 1373142784 in words is "one billion, three hundred seventy-three million, one hundred forty-two thousand, seven hundred eighty-four".