1352440135 has 16 divisors (see below), whose sum is σ = 1698945984. Its totient is φ = 1031576832.

The previous prime is 1352440127. The next prime is 1352440139. The reversal of 1352440135 is 5310442531.

It is a cyclic number.

It is not a de Polignac number, because 1352440135 - 2³ = 1352440127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352440139) 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, 17209 + ... + 54781.

It is an arithmetic number, because the mean of its divisors is an integer number (106184124).

Almost surely, 2^1352440135 is an apocalyptic number.

1352440135 is a deficient number, since it is larger than the sum of its proper divisors (346505849).

1352440135 is a wasteful number, since it uses less digits than its factorization.

1352440135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37914.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1352440135 is about 36775.5371816647. The cubic root of 1352440135 is about 1105.8749402156.

Adding to 1352440135 its reverse (5310442531), we get a palindrome (6662882666).

The spelling of 1352440135 in words is "one billion, three hundred fifty-two million, four hundred forty thousand, one hundred thirty-five".