140102140 has 12 divisors (see below), whose sum is σ = 294214536. Its totient is φ = 56040848.

The previous prime is 140102119. The next prime is 140102141. The reversal of 140102140 is 41201041.

It is a self number, because there is not a number n which added to its sum of digits gives 140102140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140102141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3502534 + ... + 3502573.

It is an arithmetic number, because the mean of its divisors is an integer number (24517878).

Almost surely, 2^140102140 is an apocalyptic number.

140102140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140102140 is an abundant number, since it is smaller than the sum of its proper divisors (154112396).

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

140102140 is a wasteful number, since it uses less digits than its factorization.

140102140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005116 (or 7005114 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140102140 is about 11836.4749820206. The cubic root of 140102140 is about 519.3756559996.

Adding to 140102140 its reverse (41201041), we get a palindrome (181303181).

The spelling of 140102140 in words is "one hundred forty million, one hundred two thousand, one hundred forty".