136214464649 has 4 divisors (see below), whose sum is σ = 136215827664. Its totient is φ = 136213101636.

The previous prime is 136214464579. The next prime is 136214464657. The reversal of 136214464649 is 946464412631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 946464412631 = 4027 ⋅235029653.

It is a cyclic number.

It is not a de Polignac number, because 136214464649 - 2²⁴ = 136197687433 is a prime.

It is a super-2 number, since 2×136214464649² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136214464597 and 136214464606.

It is not an unprimeable number, because it can be changed into a prime (136214464049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518627 + ... + 735800.

It is an arithmetic number, because the mean of its divisors is an integer number (34053956916).

Almost surely, 2^136214464649 is an apocalyptic number.

It is an amenable number.

136214464649 is a deficient number, since it is larger than the sum of its proper divisors (1363015).

136214464649 is a wasteful number, since it uses less digits than its factorization.

136214464649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363014.

The product of its digits is 2985984, while the sum is 50.

The spelling of 136214464649 in words is "one hundred thirty-six billion, two hundred fourteen million, four hundred sixty-four thousand, six hundred forty-nine".