136403 has 2 divisors, whose sum is σ = 136404. Its totient is φ = 136402.

The previous prime is 136399. The next prime is 136417. The reversal of 136403 is 304631.

It is a weak prime.

It is an emirp because it is prime and its reverse (304631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136403 - 2² = 136399 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136403.

It is not a weakly prime, because it can be changed into another prime (136453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68201 + 68202.

It is an arithmetic number, because the mean of its divisors is an integer number (68202).

2¹³⁶⁴⁰³ is an apocalyptic number.

136403 is a deficient number, since it is larger than the sum of its proper divisors (1).

136403 is an equidigital number, since it uses as much as digits as its factorization.

136403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 136403 is about 369.3277677078. The cubic root of 136403 is about 51.4763771384.

The spelling of 136403 in words is "one hundred thirty-six thousand, four hundred three".