136448951 has 4 divisors (see below), whose sum is σ = 136532472. Its totient is φ = 136365432.

The previous prime is 136448947. The next prime is 136448957. The reversal of 136448951 is 159844631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 159844631 = 43 ⋅3717317.

It is a cyclic number.

It is not a de Polignac number, because 136448951 - 2² = 136448947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136448899 and 136448908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136448957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39260 + ... + 42593.

It is an arithmetic number, because the mean of its divisors is an integer number (34133118).

Almost surely, 2^136448951 is an apocalyptic number.

136448951 is a deficient number, since it is larger than the sum of its proper divisors (83521).

136448951 is an equidigital number, since it uses as much as digits as its factorization.

136448951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83520.

The product of its digits is 103680, while the sum is 41.

The square root of 136448951 is about 11681.1365457305. The cubic root of 136448951 is about 514.8215688774.

The spelling of 136448951 in words is "one hundred thirty-six million, four hundred forty-eight thousand, nine hundred fifty-one".