7140249937 has 2 divisors, whose sum is σ = 7140249938. Its totient is φ = 7140249936.

The previous prime is 7140249929. The next prime is 7140249953. The reversal of 7140249937 is 7399420417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6604975441 + 535274496 = 81271^2 + 23136^2 .

It is a cyclic number.

It is not a de Polignac number, because 7140249937 - 2³ = 7140249929 is a prime.

It is not a weakly prime, because it can be changed into another prime (7140249967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570124968 + 3570124969.

It is an arithmetic number, because the mean of its divisors is an integer number (3570124969).

Almost surely, 2^7140249937 is an apocalyptic number.

It is an amenable number.

7140249937 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140249937 is an equidigital number, since it uses as much as digits as its factorization.

7140249937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 7140249937 is about 84499.9996272189. Note that the first 3 decimals coincide. The cubic root of 7140249937 is about 1925.6224388014.

The spelling of 7140249937 in words is "seven billion, one hundred forty million, two hundred forty-nine thousand, nine hundred thirty-seven".