1400754919 has 2 divisors, whose sum is σ = 1400754920. Its totient is φ = 1400754918.

The previous prime is 1400754913. The next prime is 1400755003. The reversal of 1400754919 is 9194570041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400754919 is a prime.

It is a super-2 number, since 2×1400754919² = 3924228686205393122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400754913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700377459 + 700377460.

It is an arithmetic number, because the mean of its divisors is an integer number (700377460).

Almost surely, 2^1400754919 is an apocalyptic number.

1400754919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400754919 is an equidigital number, since it uses as much as digits as its factorization.

1400754919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1400754919 is about 37426.6605376435. The cubic root of 1400754919 is about 1118.8899820306.

The spelling of 1400754919 in words is "one billion, four hundred million, seven hundred fifty-four thousand, nine hundred nineteen".