1390140137500 has 72 divisors (see below), whose sum is σ = 3047317084224. Its totient is φ = 554852760000.

The previous prime is 1390140137447. The next prime is 1390140137531. The reversal of 1390140137500 is 57310410931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5667402 + ... + 5907598.

It is an arithmetic number, because the mean of its divisors is an integer number (42323848392).

Almost surely, 2^{1390140137500} is an apocalyptic number.

1390140137500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1390140137500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523658542112).

1390140137500 is an abundant number, since it is smaller than the sum of its proper divisors (1657176946724).

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

1390140137500 is an equidigital number, since it uses as much as digits as its factorization.

1390140137500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240689 (or 240667 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The spelling of 1390140137500 in words is "one trillion, three hundred ninety billion, one hundred forty million, one hundred thirty-seven thousand, five hundred".