1400249341 has 2 divisors, whose sum is σ = 1400249342. Its totient is φ = 1400249340.

The previous prime is 1400249321. The next prime is 1400249359. The reversal of 1400249341 is 1439420041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009396441 + 390852900 = 31771^2 + 19770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400249341 - 2⁵ = 1400249309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400249321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700124670 + 700124671.

It is an arithmetic number, because the mean of its divisors is an integer number (700124671).

Almost surely, 2^1400249341 is an apocalyptic number.

It is an amenable number.

1400249341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400249341 is an equidigital number, since it uses as much as digits as its factorization.

1400249341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1400249341 is about 37419.9056786625. The cubic root of 1400249341 is about 1118.7553512389.

Adding to 1400249341 its reverse (1439420041), we get a palindrome (2839669382).

The spelling of 1400249341 in words is "one billion, four hundred million, two hundred forty-nine thousand, three hundred forty-one".