1340977510 has 64 divisors (see below), whose sum is σ = 2682191232. Its totient is φ = 480116736.

The previous prime is 1340977453. The next prime is 1340977511. The reversal of 1340977510 is 157790431.

It is a self number, because there is not a number n which added to its sum of digits gives 1340977510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340977511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753742 + ... + 755518.

It is an arithmetic number, because the mean of its divisors is an integer number (41909238).

Almost surely, 2^1340977510 is an apocalyptic number.

1340977510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340977510 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1340977510 is a wasteful number, since it uses less digits than its factorization.

1340977510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 1340977510 is about 36619.3597704821. The cubic root of 1340977510 is about 1102.7417856766.

The spelling of 1340977510 in words is "one billion, three hundred forty million, nine hundred seventy-seven thousand, five hundred ten".