135601456 has 20 divisors (see below), whose sum is σ = 264800512. Its totient is φ = 67265856.

The previous prime is 135601451. The next prime is 135601463. The reversal of 135601456 is 654106531.

It is not an unprimeable number, because it can be changed into a prime (135601451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31335 + ... + 35398.

Almost surely, 2^135601456 is an apocalyptic number.

135601456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135601456 is a deficient number, since it is larger than the sum of its proper divisors (129199056).

135601456 is a wasteful number, since it uses less digits than its factorization.

135601456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66868 (or 66862 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 135601456 is about 11644.8038197301. The cubic root of 135601456 is about 513.7534889643.

Adding to 135601456 its reverse (654106531), we get a palindrome (789707987).

The spelling of 135601456 in words is "one hundred thirty-five million, six hundred one thousand, four hundred fifty-six".