140949142 has 16 divisors (see below), whose sum is σ = 224123760. Its totient is φ = 66251008.

The previous prime is 140949139. The next prime is 140949143. The reversal of 140949142 is 241949041.

140949142 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 (34).

It is a junction number, because it is equal to n+sod(n) for n = 140949098 and 140949107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140949143) 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, 35409 + ... + 39187.

It is an arithmetic number, because the mean of its divisors is an integer number (14007735).

Almost surely, 2^140949142 is an apocalyptic number.

140949142 is a deficient number, since it is larger than the sum of its proper divisors (83174618).

140949142 is a wasteful number, since it uses less digits than its factorization.

140949142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 140949142 is about 11872.2003857752. The cubic root of 140949142 is about 520.4202002950.

The spelling of 140949142 in words is "one hundred forty million, nine hundred forty-nine thousand, one hundred forty-two".