140314637 has 2 divisors, whose sum is σ = 140314638. Its totient is φ = 140314636.

The previous prime is 140314621. The next prime is 140314663. The reversal of 140314637 is 736413041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105904681 + 34409956 = 10291^2 + 5866^2 .

It is a cyclic number.

It is not a de Polignac number, because 140314637 - 2⁴ = 140314621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140314607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70157318 + 70157319.

It is an arithmetic number, because the mean of its divisors is an integer number (70157319).

Almost surely, 2^140314637 is an apocalyptic number.

It is an amenable number.

140314637 is a deficient number, since it is larger than the sum of its proper divisors (1).

140314637 is an equidigital number, since it uses as much as digits as its factorization.

140314637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 140314637 is about 11845.4479442527. The cubic root of 140314637 is about 519.6381074212.

Adding to 140314637 its reverse (736413041), we get a palindrome (876727678).

The spelling of 140314637 in words is "one hundred forty million, three hundred fourteen thousand, six hundred thirty-seven".