13890126390250 has 64 divisors (see below), whose sum is σ = 30034761524352. Its totient is φ = 4753840032000.

The previous prime is 13890126390211. The next prime is 13890126390251. The reversal of 13890126390250 is 5209362109831.

It is a super-2 number, since 2×13890126390250² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13890126390194 and 13890126390203.

It is not an unprimeable number, because it can be changed into a prime (13890126390251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148510752 + ... + 148604251.

It is an arithmetic number, because the mean of its divisors is an integer number (469293148818).

Almost surely, 2^{13890126390250} is an apocalyptic number.

13890126390250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13890126390250 is an abundant number, since it is smaller than the sum of its proper divisors (16144635134102).

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

13890126390250 is a wasteful number, since it uses less digits than its factorization.

13890126390250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297115048 (or 297115038 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 13890126390250 in words is "thirteen trillion, eight hundred ninety billion, one hundred twenty-six million, three hundred ninety thousand, two hundred fifty".