140037269 has 2 divisors, whose sum is σ = 140037270. Its totient is φ = 140037268.

The previous prime is 140037241. The next prime is 140037301. The reversal of 140037269 is 962730041.

It is an a-pointer prime, because the next prime (140037301) can be obtained adding 140037269 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137757169 + 2280100 = 11737^2 + 1510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140037269 is a prime.

It is a super-2 number, since 2×140037269² = 39220873417956722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140030269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70018634 + 70018635.

It is an arithmetic number, because the mean of its divisors is an integer number (70018635).

Almost surely, 2^140037269 is an apocalyptic number.

It is an amenable number.

140037269 is a deficient number, since it is larger than the sum of its proper divisors (1).

140037269 is an equidigital number, since it uses as much as digits as its factorization.

140037269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 140037269 is about 11833.7343640966. The cubic root of 140037269 is about 519.2954820644.

The spelling of 140037269 in words is "one hundred forty million, thirty-seven thousand, two hundred sixty-nine".