140401230469 has 2 divisors, whose sum is σ = 140401230470. Its totient is φ = 140401230468.

The previous prime is 140401230377. The next prime is 140401230479. The reversal of 140401230469 is 964032104041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135764982369 + 4636248100 = 368463^2 + 68090^2 .

It is a cyclic number.

It is not a de Polignac number, because 140401230469 - 2²³ = 140392841861 is a prime.

It is a super-2 number, since 2×140401230469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140401230479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70200615234 + 70200615235.

It is an arithmetic number, because the mean of its divisors is an integer number (70200615235).

Almost surely, 2^140401230469 is an apocalyptic number.

It is an amenable number.

140401230469 is a deficient number, since it is larger than the sum of its proper divisors (1).

140401230469 is an equidigital number, since it uses as much as digits as its factorization.

140401230469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 140401230469 in words is "one hundred forty billion, four hundred one million, two hundred thirty thousand, four hundred sixty-nine".