1340545535 has 16 divisors (see below), whose sum is σ = 1850644992. Its totient is φ = 913140000.

The previous prime is 1340545517. The next prime is 1340545537. The reversal of 1340545535 is 5355450431.

It is not a de Polignac number, because 1340545535 - 2¹⁰ = 1340544511 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 1340545495 and 1340545504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340545537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121541 + ... + 132110.

It is an arithmetic number, because the mean of its divisors is an integer number (115665312).

Almost surely, 2^1340545535 is an apocalyptic number.

1340545535 is a deficient number, since it is larger than the sum of its proper divisors (510099457).

1340545535 is a wasteful number, since it uses less digits than its factorization.

1340545535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253814.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 1340545535 is about 36613.4611174633. The cubic root of 1340545535 is about 1102.6233626012.

Adding to 1340545535 its reverse (5355450431), we get a palindrome (6695995966).

The spelling of 1340545535 in words is "one billion, three hundred forty million, five hundred forty-five thousand, five hundred thirty-five".