1400140137500 has 72 divisors (see below), whose sum is σ = 3298196339424. Its totient is φ = 516974760000.

The previous prime is 1400140137493. The next prime is 1400140137509. The reversal of 1400140137500 is 57310410041.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1400140137500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400140137509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4145624 + ... + 4470623.

It is an arithmetic number, because the mean of its divisors is an integer number (45808282492).

Almost surely, 2^{1400140137500} is an apocalyptic number.

1400140137500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400140137500 is an abundant number, since it is smaller than the sum of its proper divisors (1898056201924).

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

1400140137500 is an equidigital number, since it uses as much as digits as its factorization.

1400140137500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8616289 (or 8616267 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 1400140137500 its reverse (57310410041), we get a palindrome (1457450547541).

The spelling of 1400140137500 in words is "one trillion, four hundred billion, one hundred forty million, one hundred thirty-seven thousand, five hundred".