1340211156 has 24 divisors (see below), whose sum is σ = 3130274784. Its totient is φ = 446292000.

The previous prime is 1340211149. The next prime is 1340211163. The reversal of 1340211156 is 6511120431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1340211149) and next prime (1340211163).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42970 + ... + 67281.

It is an arithmetic number, because the mean of its divisors is an integer number (130428116).

Almost surely, 2^1340211156 is an apocalyptic number.

It is an amenable number.

1340211156 is an abundant number, since it is smaller than the sum of its proper divisors (1790063628).

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

1340211156 is a wasteful number, since it uses less digits than its factorization.

1340211156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111271 (or 111269 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1340211156 is about 36608.8944930054. The cubic root of 1340211156 is about 1102.5316773515.

Adding to 1340211156 its reverse (6511120431), we get a palindrome (7851331587).

The spelling of 1340211156 in words is "one billion, three hundred forty million, two hundred eleven thousand, one hundred fifty-six".