1238190139726 has 16 divisors (see below), whose sum is σ = 1896959186496. Its totient is φ = 605872595296.

The previous prime is 1238190139721. The next prime is 1238190139757. The reversal of 1238190139726 is 6279310918321.

It is a super-2 number, since 2×1238190139726² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238190139721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606540 + ... + 1686496.

It is an arithmetic number, because the mean of its divisors is an integer number (118559949156).

Almost surely, 2^{1238190139726} is an apocalyptic number.

1238190139726 is a deficient number, since it is larger than the sum of its proper divisors (658769046770).

1238190139726 is a wasteful number, since it uses less digits than its factorization.

1238190139726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092203.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 1238190139726 in words is "one trillion, two hundred thirty-eight billion, one hundred ninety million, one hundred thirty-nine thousand, seven hundred twenty-six".