135863607 has 32 divisors (see below), whose sum is σ = 207544320. Its totient is φ = 78300000.

The previous prime is 135863603. The next prime is 135863621. The reversal of 135863607 is 706368531.

It is not a de Polignac number, because 135863607 - 2² = 135863603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135863603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59232 + ... + 61482.

It is an arithmetic number, because the mean of its divisors is an integer number (6485760).

Almost surely, 2^135863607 is an apocalyptic number.

135863607 is a deficient number, since it is larger than the sum of its proper divisors (71680713).

135863607 is a wasteful number, since it uses less digits than its factorization.

135863607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2355.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 135863607 is about 11656.0545211491. The cubic root of 135863607 is about 514.0843465068.

The spelling of 135863607 in words is "one hundred thirty-five million, eight hundred sixty-three thousand, six hundred seven".