1373813140 has 24 divisors (see below), whose sum is σ = 3297151872. Its totient is φ = 471021600.

The previous prime is 1373813123. The next prime is 1373813173. The reversal of 1373813140 is 413183731.

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, 4906336 + ... + 4906615.

It is an arithmetic number, because the mean of its divisors is an integer number (137381328).

Almost surely, 2^1373813140 is an apocalyptic number.

1373813140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373813140 is an abundant number, since it is smaller than the sum of its proper divisors (1923338732).

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

1373813140 is a wasteful number, since it uses less digits than its factorization.

1373813140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9812967 (or 9812965 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1373813140 is about 37064.9853635476. The cubic root of 1373813140 is about 1111.6700073651.

Adding to 1373813140 its reverse (413183731), we get a palindrome (1786996871).

The spelling of 1373813140 in words is "one billion, three hundred seventy-three million, eight hundred thirteen thousand, one hundred forty".