140574737 has 2 divisors, whose sum is σ = 140574738. Its totient is φ = 140574736.

The previous prime is 140574719. The next prime is 140574743. The reversal of 140574737 is 737475041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139972561 + 602176 = 11831^2 + 776^2 .

It is a cyclic number.

It is not a de Polignac number, because 140574737 - 2¹⁸ = 140312593 is a prime.

It is a super-3 number, since 3×140574737³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140574737.

It is not a weakly prime, because it can be changed into another prime (140574767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70287368 + 70287369.

It is an arithmetic number, because the mean of its divisors is an integer number (70287369).

Almost surely, 2^140574737 is an apocalyptic number.

It is an amenable number.

140574737 is a deficient number, since it is larger than the sum of its proper divisors (1).

140574737 is an equidigital number, since it uses as much as digits as its factorization.

140574737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 140574737 is about 11856.4217620663. The cubic root of 140574737 is about 519.9589920817.

The spelling of 140574737 in words is "one hundred forty million, five hundred seventy-four thousand, seven hundred thirty-seven".