140406152140 has 24 divisors (see below), whose sum is σ = 312197209632. Its totient is φ = 52858786560.

The previous prime is 140406152113. The next prime is 140406152141. The reversal of 140406152140 is 41251604041.

It is a junction number, because it is equal to n+sod(n) for n = 140406152099 and 140406152108.

It is not an unprimeable number, because it can be changed into a prime (140406152141) 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, 206479296 + ... + 206479975.

It is an arithmetic number, because the mean of its divisors is an integer number (13008217068).

Almost surely, 2^140406152140 is an apocalyptic number.

140406152140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140406152140 is an abundant number, since it is smaller than the sum of its proper divisors (171791057492).

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

140406152140 is a wasteful number, since it uses less digits than its factorization.

140406152140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412959297 (or 412959295 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 140406152140 its reverse (41251604041), we get a palindrome (181657756181).

The spelling of 140406152140 in words is "one hundred forty billion, four hundred six million, one hundred fifty-two thousand, one hundred forty".