1340156630 has 32 divisors (see below), whose sum is σ = 2460193344. Its totient is φ = 525505536.

The previous prime is 1340156611. The next prime is 1340156639. The reversal of 1340156630 is 366510431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1340156593 and 1340156602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340156639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116414 + ... + 127406.

It is an arithmetic number, because the mean of its divisors is an integer number (76881042).

Almost surely, 2^1340156630 is an apocalyptic number.

1340156630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340156630 is a deficient number, since it is larger than the sum of its proper divisors (1120036714).

1340156630 is a wasteful number, since it uses less digits than its factorization.

1340156630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11240.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1340156630 is about 36608.1497756989. The cubic root of 1340156630 is about 1102.5167251162.

The spelling of 1340156630 in words is "one billion, three hundred forty million, one hundred fifty-six thousand, six hundred thirty".