140390139 has 8 divisors (see below), whose sum is σ = 188534080. Its totient is φ = 92919816.

The previous prime is 140390083. The next prime is 140390153. The reversal of 140390139 is 931093041.

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

It is not a de Polignac number, because 140390139 - 2⁷ = 140390011 is a prime.

It is a super-2 number, since 2×140390139² = 39418782256878642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140390039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167917 + ... + 168750.

It is an arithmetic number, because the mean of its divisors is an integer number (23566760).

Almost surely, 2^140390139 is an apocalyptic number.

140390139 is a deficient number, since it is larger than the sum of its proper divisors (48143941).

140390139 is a wasteful number, since it uses less digits than its factorization.

140390139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336809.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 140390139 is about 11848.6344782848. The cubic root of 140390139 is about 519.7312948515.

The spelling of 140390139 in words is "one hundred forty million, three hundred ninety thousand, one hundred thirty-nine".