140363737 has 2 divisors, whose sum is σ = 140363738. Its totient is φ = 140363736.

The previous prime is 140363731. The next prime is 140363767. The reversal of 140363737 is 737363041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117744201 + 22619536 = 10851^2 + 4756^2 .

It is an emirp because it is prime and its reverse (737363041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140363737 - 2⁷ = 140363609 is a prime.

It is not a weakly prime, because it can be changed into another prime (140363731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70181868 + 70181869.

It is an arithmetic number, because the mean of its divisors is an integer number (70181869).

Almost surely, 2^140363737 is an apocalyptic number.

It is an amenable number.

140363737 is a deficient number, since it is larger than the sum of its proper divisors (1).

140363737 is an equidigital number, since it uses as much as digits as its factorization.

140363737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 140363737 is about 11847.5202890732. The cubic root of 140363737 is about 519.6987123021.

The spelling of 140363737 in words is "one hundred forty million, three hundred sixty-three thousand, seven hundred thirty-seven".