135948874 has 4 divisors (see below), whose sum is σ = 203923314. Its totient is φ = 67974436.

The previous prime is 135948871. The next prime is 135948877. The reversal of 135948874 is 478849531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 478849531 = 2371 ⋅201961.

It is an interprime number because it is at equal distance from previous prime (135948871) and next prime (135948877).

It can be written as a sum of positive squares in only one way, i.e., 80550625 + 55398249 = 8975^2 + 7443^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (135948871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33987217 + ... + 33987220.

Almost surely, 2^135948874 is an apocalyptic number.

135948874 is a deficient number, since it is larger than the sum of its proper divisors (67974440).

135948874 is an equidigital number, since it uses as much as digits as its factorization.

135948874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67974439.

The product of its digits is 967680, while the sum is 49.

The square root of 135948874 is about 11659.7115744773. The cubic root of 135948874 is about 514.1918692007.

The spelling of 135948874 in words is "one hundred thirty-five million, nine hundred forty-eight thousand, eight hundred seventy-four".