136321545 has 8 divisors (see below), whose sum is σ = 218114496. Its totient is φ = 72704816.

The previous prime is 136321513. The next prime is 136321571. The reversal of 136321545 is 545123631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136321545 - 2⁵ = 136321513 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4544037 + ... + 4544066.

It is an arithmetic number, because the mean of its divisors is an integer number (27264312).

Almost surely, 2^136321545 is an apocalyptic number.

136321545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136321545 is a deficient number, since it is larger than the sum of its proper divisors (81792951).

136321545 is an equidigital number, since it uses as much as digits as its factorization.

136321545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9088111.

The product of its digits is 10800, while the sum is 30.

The square root of 136321545 is about 11675.6817788085. The cubic root of 136321545 is about 514.6612848011.

The spelling of 136321545 in words is "one hundred thirty-six million, three hundred twenty-one thousand, five hundred forty-five".