134748478 has 4 divisors (see below), whose sum is σ = 202122720. Its totient is φ = 67374238.

The previous prime is 134748401. The next prime is 134748499. The reversal of 134748478 is 874847431.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33687118 + ... + 33687121.

It is an arithmetic number, because the mean of its divisors is an integer number (50530680).

Almost surely, 2^134748478 is an apocalyptic number.

134748478 is a deficient number, since it is larger than the sum of its proper divisors (67374242).

134748478 is an equidigital number, since it uses as much as digits as its factorization.

134748478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67374241.

The product of its digits is 602112, while the sum is 46.

The square root of 134748478 is about 11608.1212088779. The cubic root of 134748478 is about 512.6739958883.

It can be divided in two parts, 13474 and 8478, that added together give a cube (21952 = 28³).

The spelling of 134748478 in words is "one hundred thirty-four million, seven hundred forty-eight thousand, four hundred seventy-eight".