140429679 has 8 divisors (see below), whose sum is σ = 201642672. Its totient is φ = 86418240.

The previous prime is 140429657. The next prime is 140429699. The reversal of 140429679 is 976924041.

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

It is not a de Polignac number, because 140429679 - 2⁵ = 140429647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140429679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140429699) 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, 1800342 + ... + 1800419.

It is an arithmetic number, because the mean of its divisors is an integer number (25205334).

Almost surely, 2^140429679 is an apocalyptic number.

140429679 is a deficient number, since it is larger than the sum of its proper divisors (61212993).

140429679 is a wasteful number, since it uses less digits than its factorization.

140429679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600777.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 140429679 is about 11850.3029075210. The cubic root of 140429679 is about 519.7800832887.

The spelling of 140429679 in words is "one hundred forty million, four hundred twenty-nine thousand, six hundred seventy-nine".