1400630039 has 2 divisors, whose sum is σ = 1400630040. Its totient is φ = 1400630038.

The previous prime is 1400629981. The next prime is 1400630059. The reversal of 1400630039 is 9300360041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1400630039 - 2²⁴ = 1383852823 is a prime.

It is a super-2 number, since 2×1400630039² = 3923529012298283042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400630059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700315019 + 700315020.

It is an arithmetic number, because the mean of its divisors is an integer number (700315020).

Almost surely, 2^1400630039 is an apocalyptic number.

1400630039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400630039 is an equidigital number, since it uses as much as digits as its factorization.

1400630039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 1400630039 is about 37424.9921710079. The cubic root of 1400630039 is about 1118.8567306432.

The spelling of 1400630039 in words is "one billion, four hundred million, six hundred thirty thousand, thirty-nine".