140023122143135 has 24 divisors (see below), whose sum is σ = 213230016061776. Its totient is φ = 87287141074560.

The previous prime is 140023122143111. The next prime is 140023122143137. The reversal of 140023122143135 is 531341221320041.

It is a happy number.

It is not a de Polignac number, because 140023122143135 - 2²⁰ = 140023121094559 is a prime.

It is a super-2 number, since 2×140023122143135² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140023122143137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25978313102 + ... + 25978318491.

It is an arithmetic number, because the mean of its divisors is an integer number (8884584002574).

Almost surely, 2^{140023122143135} is an apocalyptic number.

140023122143135 is a deficient number, since it is larger than the sum of its proper divisors (73206893918641).

140023122143135 is a wasteful number, since it uses less digits than its factorization.

140023122143135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51956631623 (or 51956631616 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 140023122143135 its reverse (531341221320041), we get a palindrome (671364343463176).

The spelling of 140023122143135 in words is "one hundred forty trillion, twenty-three billion, one hundred twenty-two million, one hundred forty-three thousand, one hundred thirty-five".