135440296 has 8 divisors (see below), whose sum is σ = 253950570. Its totient is φ = 67720144.

The previous prime is 135440251. The next prime is 135440297. The reversal of 135440296 is 692044531.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 70056900 + 65383396 = 8370^2 + 8086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (135440297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8465011 + ... + 8465026.

Almost surely, 2^135440296 is an apocalyptic number.

It is an amenable number.

135440296 is a deficient number, since it is larger than the sum of its proper divisors (118510274).

135440296 is a wasteful number, since it uses less digits than its factorization.

135440296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16930043 (or 16930039 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 135440296 is about 11637.8819378786. The cubic root of 135440296 is about 513.5498792166.

The spelling of 135440296 in words is "one hundred thirty-five million, four hundred forty thousand, two hundred ninety-six".