140017139 has 8 divisors (see below), whose sum is σ = 145774080. Its totient is φ = 134364096.

The previous prime is 140017127. The next prime is 140017193. The reversal of 140017139 is 931710041.

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

It is a cyclic number.

It is not a de Polignac number, because 140017139 - 2²⁰ = 138968563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140017109) 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, 23219 + ... + 28620.

It is an arithmetic number, because the mean of its divisors is an integer number (18221760).

Almost surely, 2^140017139 is an apocalyptic number.

140017139 is a deficient number, since it is larger than the sum of its proper divisors (5756941).

140017139 is an equidigital number, since it uses as much as digits as its factorization.

140017139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51949.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 140017139 is about 11832.8837989731. The cubic root of 140017139 is about 519.2705984054.

The spelling of 140017139 in words is "one hundred forty million, seventeen thousand, one hundred thirty-nine".