140875939 has 4 divisors (see below), whose sum is σ = 145733760. Its totient is φ = 136018120.

The previous prime is 140875927. The next prime is 140875949. The reversal of 140875939 is 939578041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 939578041 = 3089 ⋅304169.

It is not a de Polignac number, because 140875939 - 2²³ = 132487331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140875949) 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, 2428867 + ... + 2428924.

It is an arithmetic number, because the mean of its divisors is an integer number (36433440).

Almost surely, 2^140875939 is an apocalyptic number.

140875939 is a deficient number, since it is larger than the sum of its proper divisors (4857821).

140875939 is an equidigital number, since it uses as much as digits as its factorization.

140875939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857820.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 140875939 is about 11869.1170269738. The cubic root of 140875939 is about 520.3300899746.

The spelling of 140875939 in words is "one hundred forty million, eight hundred seventy-five thousand, nine hundred thirty-nine".