140937437 has 2 divisors, whose sum is σ = 140937438. Its totient is φ = 140937436.

The previous prime is 140937409. The next prime is 140937449. The reversal of 140937437 is 734739041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136913401 + 4024036 = 11701^2 + 2006^2 .

It is a cyclic number.

It is not a de Polignac number, because 140937437 - 2⁶ = 140937373 is a prime.

It is a super-2 number, since 2×140937437² = 39726722296257938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140937437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140937037) 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 as a sum of consecutive naturals, namely, 70468718 + 70468719.

It is an arithmetic number, because the mean of its divisors is an integer number (70468719).

Almost surely, 2^140937437 is an apocalyptic number.

It is an amenable number.

140937437 is a deficient number, since it is larger than the sum of its proper divisors (1).

140937437 is an equidigital number, since it uses as much as digits as its factorization.

140937437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 140937437 is about 11871.7074172168. The cubic root of 140937437 is about 520.4057939472.

The spelling of 140937437 in words is "one hundred forty million, nine hundred thirty-seven thousand, four hundred thirty-seven".