140140431102 has 48 divisors (see below), whose sum is σ = 327244292352. Its totient is φ = 39892350960.

The previous prime is 140140431091. The next prime is 140140431163. The reversal of 140140431102 is 201134041041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799788 + ... + 959135.

It is an arithmetic number, because the mean of its divisors is an integer number (6817589424).

Almost surely, 2^140140431102 is an apocalyptic number.

140140431102 is an abundant number, since it is smaller than the sum of its proper divisors (187103861250).

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

140140431102 is a wasteful number, since it uses less digits than its factorization.

140140431102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759213 (or 1759206 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 140140431102 its reverse (201134041041), we get a palindrome (341274472143).

The spelling of 140140431102 in words is "one hundred forty billion, one hundred forty million, four hundred thirty-one thousand, one hundred two".