136229449 has 16 divisors (see below), whose sum is σ = 155952000. Its totient is φ = 118174464.

The previous prime is 136229447. The next prime is 136229491. The reversal of 136229449 is 944922631.

It is a cyclic number.

It is not a de Polignac number, because 136229449 - 2¹ = 136229447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136229447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6252 + ... + 17650.

It is an arithmetic number, because the mean of its divisors is an integer number (9747000).

Almost surely, 2^136229449 is an apocalyptic number.

136229449 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136229449 is a deficient number, since it is larger than the sum of its proper divisors (19722551).

136229449 is a wasteful number, since it uses less digits than its factorization.

136229449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11472.

The product of its digits is 93312, while the sum is 40.

The square root of 136229449 is about 11671.7371886108. The cubic root of 136229449 is about 514.5453605392.

The spelling of 136229449 in words is "one hundred thirty-six million, two hundred twenty-nine thousand, four hundred forty-nine".