140034269 has 2 divisors, whose sum is σ = 140034270. Its totient is φ = 140034268.

The previous prime is 140034239. The next prime is 140034277. The reversal of 140034269 is 962430041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126270169 + 13764100 = 11237^2 + 3710^2 .

It is an emirp because it is prime and its reverse (962430041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140034269 - 2²⁴ = 123257053 is a prime.

It is a super-2 number, since 2×140034269² = 39219192988728722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140034239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70017134 + 70017135.

It is an arithmetic number, because the mean of its divisors is an integer number (70017135).

Almost surely, 2^140034269 is an apocalyptic number.

It is an amenable number.

140034269 is a deficient number, since it is larger than the sum of its proper divisors (1).

140034269 is an equidigital number, since it uses as much as digits as its factorization.

140034269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 140034269 is about 11833.6076071501. The cubic root of 140034269 is about 519.2917737717.

The spelling of 140034269 in words is "one hundred forty million, thirty-four thousand, two hundred sixty-nine".