1340456630 has 32 divisors (see below), whose sum is σ = 2614179744. Its totient is φ = 492903936.

The previous prime is 1340456627. The next prime is 1340456633. The reversal of 1340456630 is 366540431.

It is an interprime number because it is at equal distance from previous prime (1340456627) and next prime (1340456633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340456633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84377 + ... + 98996.

It is an arithmetic number, because the mean of its divisors is an integer number (81693117).

Almost surely, 2^1340456630 is an apocalyptic number.

1340456630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340456630 is a deficient number, since it is larger than the sum of its proper divisors (1273723114).

1340456630 is a wasteful number, since it uses less digits than its factorization.

1340456630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183440.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 1340456630 is about 36612.2469946874. The cubic root of 1340456630 is about 1102.5989867297.

The spelling of 1340456630 in words is "one billion, three hundred forty million, four hundred fifty-six thousand, six hundred thirty".