1340890160 has 40 divisors (see below), whose sum is σ = 3136726320. Its totient is φ = 533060352.

The previous prime is 1340890127. The next prime is 1340890169. The reversal of 1340890160 is 610980431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1340890169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38375 + ... + 64454.

It is an arithmetic number, because the mean of its divisors is an integer number (78418158).

Almost surely, 2^1340890160 is an apocalyptic number.

1340890160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340890160 is an abundant number, since it is smaller than the sum of its proper divisors (1795836160).

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

1340890160 is a wasteful number, since it uses less digits than its factorization.

1340890160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103005 (or 102999 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1340890160 is about 36618.1670759201. The cubic root of 1340890160 is about 1102.7178413063.

The spelling of 1340890160 in words is "one billion, three hundred forty million, eight hundred ninety thousand, one hundred sixty".