1340013501 has 12 divisors (see below), whose sum is σ = 1936632828. Its totient is φ = 892854144.

The previous prime is 1340013463. The next prime is 1340013583. The reversal of 1340013501 is 1053100431.

It can be written as a sum of positive squares in 2 ways, for example, as 555733476 + 784280025 = 23574^2 + 28005^2 .

It is not a de Polignac number, because 1340013501 - 2¹⁷ = 1339882429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340013001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22890 + ... + 56603.

It is an arithmetic number, because the mean of its divisors is an integer number (161386069).

Almost surely, 2^1340013501 is an apocalyptic number.

It is an amenable number.

1340013501 is a deficient number, since it is larger than the sum of its proper divisors (596619327).

1340013501 is a wasteful number, since it uses less digits than its factorization.

1340013501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81372 (or 81369 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1340013501 is about 36606.1948445888. The cubic root of 1340013501 is about 1102.4774740488.

Adding to 1340013501 its reverse (1053100431), we get a palindrome (2393113932).

The spelling of 1340013501 in words is "one billion, three hundred forty million, thirteen thousand, five hundred one".