1438045990125 has 32 divisors (see below), whose sum is σ = 2426611509504. Its totient is φ = 756155624000.

The previous prime is 1438045990097. The next prime is 1438045990133. The reversal of 1438045990125 is 5210995408341.

It is not a de Polignac number, because 1438045990125 - 2⁶ = 1438045990061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26978934 + ... + 27032183.

It is an arithmetic number, because the mean of its divisors is an integer number (75831609672).

Almost surely, 2^{1438045990125} is an apocalyptic number.

1438045990125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1438045990125 is a deficient number, since it is larger than the sum of its proper divisors (988565519379).

1438045990125 is an equidigital number, since it uses as much as digits as its factorization.

1438045990125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54011206 (or 54011196 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 1438045990125 in words is "one trillion, four hundred thirty-eight billion, forty-five million, nine hundred ninety thousand, one hundred twenty-five".