140342124 has 48 divisors (see below), whose sum is σ = 354832128. Its totient is φ = 42915648.

The previous prime is 140342119. The next prime is 140342131. The reversal of 140342124 is 421243041.

It is a self number, because there is not a number n which added to its sum of digits gives 140342124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23359 + ... + 28745.

It is an arithmetic number, because the mean of its divisors is an integer number (7392336).

Almost surely, 2^140342124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140342124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177416064).

140342124 is an abundant number, since it is smaller than the sum of its proper divisors (214490004).

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

140342124 is a wasteful number, since it uses less digits than its factorization.

140342124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5574 (or 5572 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 140342124 is about 11846.6081221588. The cubic root of 140342124 is about 519.6720367873.

Adding to 140342124 its reverse (421243041), we get a palindrome (561585165).

The spelling of 140342124 in words is "one hundred forty million, three hundred forty-two thousand, one hundred twenty-four".