135137803 has 2 divisors, whose sum is σ = 135137804. Its totient is φ = 135137802.

The previous prime is 135137797. The next prime is 135137833. The reversal of 135137803 is 308731531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135137803 - 2⁵ = 135137771 is a prime.

It is equal to p_7652902 and since 135137803 and 7652902 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (135137833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67568901 + 67568902.

It is an arithmetic number, because the mean of its divisors is an integer number (67568902).

Almost surely, 2^135137803 is an apocalyptic number.

135137803 is a deficient number, since it is larger than the sum of its proper divisors (1).

135137803 is an equidigital number, since it uses as much as digits as its factorization.

135137803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 135137803 is about 11624.8786230223. The cubic root of 135137803 is about 513.1672726573.

It can be divided in two parts, 13513 and 7803, that added together give a square (21316 = 146²).

The spelling of 135137803 in words is "one hundred thirty-five million, one hundred thirty-seven thousand, eight hundred three".