1400752205407 has 2 divisors, whose sum is σ = 1400752205408. Its totient is φ = 1400752205406.

The previous prime is 1400752205357. The next prime is 1400752205429. The reversal of 1400752205407 is 7045022570041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400752205407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400752205477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700376102703 + 700376102704.

It is an arithmetic number, because the mean of its divisors is an integer number (700376102704).

Almost surely, 2^{1400752205407} is an apocalyptic number.

1400752205407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400752205407 is an equidigital number, since it uses as much as digits as its factorization.

1400752205407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78400, while the sum is 37.

Adding to 1400752205407 its reverse (7045022570041), we get a palindrome (8445774775448).

The spelling of 1400752205407 in words is "one trillion, four hundred billion, seven hundred fifty-two million, two hundred five thousand, four hundred seven".