140342494 has 8 divisors (see below), whose sum is σ = 211387968. Its totient is φ = 69879840.

The previous prime is 140342491. The next prime is 140342509. The reversal of 140342494 is 494243041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140342491) 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, 145102 + ... + 146065.

It is an arithmetic number, because the mean of its divisors is an integer number (26423496).

Almost surely, 2^140342494 is an apocalyptic number.

140342494 is a deficient number, since it is larger than the sum of its proper divisors (71045474).

140342494 is a wasteful number, since it uses less digits than its factorization.

140342494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291410.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 140342494 is about 11846.6237384328. The cubic root of 140342494 is about 519.6724934772.

The spelling of 140342494 in words is "one hundred forty million, three hundred forty-two thousand, four hundred ninety-four".