140111137 has 4 divisors (see below), whose sum is σ = 142202416. Its totient is φ = 138019860.

The previous prime is 140111117. The next prime is 140111141. The reversal of 140111137 is 731111041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731111041 = 1181 ⋅619061.

It is a cyclic number.

It is not a de Polignac number, because 140111137 - 2¹¹ = 140109089 is a prime.

It is a super-2 number, since 2×140111137² = 39262261422865538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140111117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045539 + ... + 1045672.

It is an arithmetic number, because the mean of its divisors is an integer number (35550604).

Almost surely, 2^140111137 is an apocalyptic number.

It is an amenable number.

140111137 is a deficient number, since it is larger than the sum of its proper divisors (2091279).

140111137 is an equidigital number, since it uses as much as digits as its factorization.

140111137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091278.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 140111137 is about 11836.8550299478. The cubic root of 140111137 is about 519.3867734190.

Adding to 140111137 its reverse (731111041), we get a palindrome (871222178).

The spelling of 140111137 in words is "one hundred forty million, one hundred eleven thousand, one hundred thirty-seven".