140112437 has 2 divisors, whose sum is σ = 140112438. Its totient is φ = 140112436.

The previous prime is 140112431. The next prime is 140112439. The reversal of 140112437 is 734211041.

It is a happy number.

140112437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139972561 + 139876 = 11831^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 140112437 - 2¹⁴ = 140096053 is a prime.

Together with 140112439, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140112431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70056218 + 70056219.

It is an arithmetic number, because the mean of its divisors is an integer number (70056219).

Almost surely, 2^140112437 is an apocalyptic number.

It is an amenable number.

140112437 is a deficient number, since it is larger than the sum of its proper divisors (1).

140112437 is an equidigital number, since it uses as much as digits as its factorization.

140112437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 140112437 is about 11836.9099430552. The cubic root of 140112437 is about 519.3883797646.

Adding to 140112437 its reverse (734211041), we get a palindrome (874323478).

The spelling of 140112437 in words is "one hundred forty million, one hundred twelve thousand, four hundred thirty-seven".