1400054269 has 2 divisors, whose sum is σ = 1400054270. Its totient is φ = 1400054268.

The previous prime is 1400054219. The next prime is 1400054291. The reversal of 1400054269 is 9624500041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073348644 + 326705625 = 32762^2 + 18075^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400054269 - 2¹⁷ = 1399923197 is a prime.

It is a super-2 number, since 2×1400054269² = 3920303912290248722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1400054269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400054219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700027134 + 700027135.

It is an arithmetic number, because the mean of its divisors is an integer number (700027135).

Almost surely, 2^1400054269 is an apocalyptic number.

It is an amenable number.

1400054269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400054269 is an equidigital number, since it uses as much as digits as its factorization.

1400054269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1400054269 is about 37417.2990607286. The cubic root of 1400054269 is about 1118.7033966875.

The spelling of 1400054269 in words is "one billion, four hundred million, fifty-four thousand, two hundred sixty-nine".