140155428122999 has 2 divisors, whose sum is σ = 140155428123000. Its totient is φ = 140155428122998.

The previous prime is 140155428122981. The next prime is 140155428123017. The reversal of 140155428122999 is 999221824551041.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (140155428122981) and next prime (140155428123017).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140155428122999 is a prime.

It is a super-2 number, since 2×140155428122999² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140155428172999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70077714061499 + 70077714061500.

It is an arithmetic number, because the mean of its divisors is an integer number (70077714061500).

Almost surely, 2^{140155428122999} is an apocalyptic number.

140155428122999 is a deficient number, since it is larger than the sum of its proper divisors (1).

140155428122999 is an equidigital number, since it uses as much as digits as its factorization.

140155428122999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 140155428122999 in words is "one hundred forty trillion, one hundred fifty-five billion, four hundred twenty-eight million, one hundred twenty-two thousand, nine hundred ninety-nine".