140102305231512 has 32 divisors (see below), whose sum is σ = 377198514085680. Its totient is φ = 43108401609600.

The previous prime is 140102305231459. The next prime is 140102305231543. The reversal of 140102305231512 is 215132503201041.

It is a happy number.

It is a super-2 number, since 2×140102305231512² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140102305231512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224522924739 + ... + 224522925362.

Almost surely, 2^{140102305231512} is an apocalyptic number.

140102305231512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140102305231512 is an abundant number, since it is smaller than the sum of its proper divisors (237096208854168).

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

140102305231512 is a wasteful number, since it uses less digits than its factorization.

140102305231512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449045850123 (or 449045850119 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 140102305231512 its reverse (215132503201041), we get a palindrome (355234808432553).

The spelling of 140102305231512 in words is "one hundred forty trillion, one hundred two billion, three hundred five million, two hundred thirty-one thousand, five hundred twelve".