1340535 has 32 divisors (see below), whose sum is σ = 2598912. Its totient is φ = 576000.

The previous prime is 1340527. The next prime is 1340557. The reversal of 1340535 is 5350431.

It is not a de Polignac number, because 1340535 - 2³ = 1340527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1410 + ... + 2160.

It is an arithmetic number, because the mean of its divisors is an integer number (81216).

2^1340535 is an apocalyptic number.

1340535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1340535 is a deficient number, since it is larger than the sum of its proper divisors (1258377).

1340535 is a wasteful number, since it uses less digits than its factorization.

1340535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1340535 is about 1157.8147520221. The cubic root of 1340535 is about 110.2620474183.

Adding to 1340535 its reverse (5350431), we get a palindrome (6690966).

The spelling of 1340535 in words is "one million, three hundred forty thousand, five hundred thirty-five".