1240413135 has 32 divisors (see below), whose sum is σ = 2145927168. Its totient is φ = 608208000.

The previous prime is 1240413127. The next prime is 1240413151. The reversal of 1240413135 is 5313140421.

It is a happy number.

It is not a de Polignac number, because 1240413135 - 2³ = 1240413127 is a prime.

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, 36274 + ... + 61616.

It is an arithmetic number, because the mean of its divisors is an integer number (67060224).

Almost surely, 2^1240413135 is an apocalyptic number.

1240413135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1240413135 is a deficient number, since it is larger than the sum of its proper divisors (905514033).

1240413135 is a wasteful number, since it uses less digits than its factorization.

1240413135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25615.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1240413135 is about 35219.4993576002. The cubic root of 1240413135 is about 1074.4563712477.

Adding to 1240413135 its reverse (5313140421), we get a palindrome (6553553556).

The spelling of 1240413135 in words is "one billion, two hundred forty million, four hundred thirteen thousand, one hundred thirty-five".