135903707 has 4 divisors (see below), whose sum is σ = 137150640. Its totient is φ = 134656776.

The previous prime is 135903697. The next prime is 135903709. The reversal of 135903707 is 707309531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707309531 = 17 ⋅41606443.

It is a cyclic number.

It is not a de Polignac number, because 135903707 - 2⁸ = 135903451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135903709) 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, 623303 + ... + 623520.

It is an arithmetic number, because the mean of its divisors is an integer number (34287660).

Almost surely, 2^135903707 is an apocalyptic number.

135903707 is a deficient number, since it is larger than the sum of its proper divisors (1246933).

135903707 is a wasteful number, since it uses less digits than its factorization.

135903707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246932.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 135903707 is about 11657.7745303295. The cubic root of 135903707 is about 514.1349186821.

The spelling of 135903707 in words is "one hundred thirty-five million, nine hundred three thousand, seven hundred seven".