136144903 has 2 divisors, whose sum is σ = 136144904. Its totient is φ = 136144902.

The previous prime is 136144873. The next prime is 136144951. The reversal of 136144903 is 309441631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136144903 - 2⁹ = 136144391 is a prime.

It is a super-2 number, since 2×136144903² = 37070869225758818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136144003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68072451 + 68072452.

It is an arithmetic number, because the mean of its divisors is an integer number (68072452).

Almost surely, 2^136144903 is an apocalyptic number.

136144903 is a deficient number, since it is larger than the sum of its proper divisors (1).

136144903 is an equidigital number, since it uses as much as digits as its factorization.

136144903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 136144903 is about 11668.1148006008. The cubic root of 136144903 is about 514.4388937046.

It can be divided in two parts, 1361 and 44903, that added together give a palindrome (46264).

The spelling of 136144903 in words is "one hundred thirty-six million, one hundred forty-four thousand, nine hundred three".