139822123298 has 90 divisors (see below), whose sum is σ = 255574176417. Its totient is φ = 57302285040.

The previous prime is 139822123289. The next prime is 139822123307. The reversal of 139822123298 is 892321228931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (139822123289) and next prime (139822123307).

It can be written as a sum of positive squares in 2 ways, for example, as 119552052169 + 20270071129 = 345763^2 + 142373^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=264407.

It is a super-2 number, since 2×139822123298² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3251677265 + ... + 3251677307.

Almost surely, 2^139822123298 is an apocalyptic number.

139822123298 is a deficient number, since it is larger than the sum of its proper divisors (115752053119).

139822123298 is an frugal number, since it uses more digits than its factorization.

139822123298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 69 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

Multiplying 139822123298 by its sum of digits (50), we get a square (6991106164900 = 2644070²).

The spelling of 139822123298 in words is "one hundred thirty-nine billion, eight hundred twenty-two million, one hundred twenty-three thousand, two hundred ninety-eight".