1400395734 has 12 divisors (see below), whose sum is σ = 3034190796. Its totient is φ = 466798572.

The previous prime is 1400395709. The next prime is 1400395771. The reversal of 1400395734 is 4375930041.

It is a super-2 number, since 2×1400395734² = 3922216423610797512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38899864 + ... + 38899899.

It is an arithmetic number, because the mean of its divisors is an integer number (252849233).

Almost surely, 2^1400395734 is an apocalyptic number.

1400395734 is an abundant number, since it is smaller than the sum of its proper divisors (1633795062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1400395734 is a wasteful number, since it uses less digits than its factorization.

1400395734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77799771 (or 77799768 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1400395734 is about 37421.8617121062. The cubic root of 1400395734 is about 1118.7943376871.

The spelling of 1400395734 in words is "one billion, four hundred million, three hundred ninety-five thousand, seven hundred thirty-four".