1340013042 has 48 divisors (see below), whose sum is σ = 2977479648. Its totient is φ = 435314880.

The previous prime is 1340013041. The next prime is 1340013043. The reversal of 1340013042 is 2403100431.

It is an interprime number because it is at equal distance from previous prime (1340013041) and next prime (1340013043).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1340013041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401593 + ... + 404915.

It is an arithmetic number, because the mean of its divisors is an integer number (62030826).

Almost surely, 2^1340013042 is an apocalyptic number.

1340013042 is an abundant number, since it is smaller than the sum of its proper divisors (1637466606).

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

1340013042 is a wasteful number, since it uses less digits than its factorization.

1340013042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3895 (or 3892 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1340013042 is about 36606.1885751576. The cubic root of 1340013042 is about 1102.4773481702.

Adding to 1340013042 its reverse (2403100431), we get a palindrome (3743113473).

The spelling of 1340013042 in words is "one billion, three hundred forty million, thirteen thousand, forty-two".