1340762172 has 48 divisors (see below), whose sum is σ = 3154878720. Its totient is φ = 443158912.

The previous prime is 1340762141. The next prime is 1340762177. The reversal of 1340762172 is 2712670431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340762177) 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, 1620823 + ... + 1621649.

It is an arithmetic number, because the mean of its divisors is an integer number (65726640).

Almost surely, 2^1340762172 is an apocalyptic number.

1340762172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340762172 is an abundant number, since it is smaller than the sum of its proper divisors (1814116548).

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

1340762172 is a wasteful number, since it uses less digits than its factorization.

1340762172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 1340762172 is about 36616.4194317249. The cubic root of 1340762172 is about 1102.6827553746.

The spelling of 1340762172 in words is "one billion, three hundred forty million, seven hundred sixty-two thousand, one hundred seventy-two".