140102136 has 56 divisors (see below), whose sum is σ = 393873480. Its totient is φ = 46698768.

The previous prime is 140102119. The next prime is 140102141. The reversal of 140102136 is 631201041.

It is a happy number.

140102136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 6180 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (7033455).

Almost surely, 2^140102136 is an apocalyptic number.

It is an amenable number.

140102136 is an abundant number, since it is smaller than the sum of its proper divisors (253771344).

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

140102136 is an equidigital number, since it uses as much as digits as its factorization.

140102136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24047 (or 24028 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 140102136 is about 11836.4748130514. The cubic root of 140102136 is about 519.3756510568.

Adding to 140102136 its reverse (631201041), we get a palindrome (771303177).

The spelling of 140102136 in words is "one hundred forty million, one hundred two thousand, one hundred thirty-six".