135563907 has 16 divisors (see below), whose sum is σ = 185771520. Its totient is φ = 87884832.

The previous prime is 135563881. The next prime is 135563947. The reversal of 135563907 is 709365531.

It is not a de Polignac number, because 135563907 - 2⁶ = 135563843 is a prime.

It is a super-2 number, since 2×135563907² = 36755145762209298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135563947) 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, 28633 + ... + 33029.

It is an arithmetic number, because the mean of its divisors is an integer number (11610720).

Almost surely, 2^135563907 is an apocalyptic number.

135563907 is a deficient number, since it is larger than the sum of its proper divisors (50207613).

135563907 is a wasteful number, since it uses less digits than its factorization.

135563907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682.

The product of its (nonzero) digits is 85050, while the sum is 39.

The square root of 135563907 is about 11643.1914439298. The cubic root of 135563907 is about 513.7060639311.

The spelling of 135563907 in words is "one hundred thirty-five million, five hundred sixty-three thousand, nine hundred seven".