137671478 has 12 divisors (see below), whose sum is σ = 240222852. Its totient is φ = 59002020.

The previous prime is 137671477. The next prime is 137671489. The reversal of 137671478 is 874176731.

137671478 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137671477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 702308 + ... + 702503.

It is an arithmetic number, because the mean of its divisors is an integer number (20018571).

Almost surely, 2^137671478 is an apocalyptic number.

137671478 is a deficient number, since it is larger than the sum of its proper divisors (102551374).

137671478 is a wasteful number, since it uses less digits than its factorization.

137671478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404827 (or 1404820 counting only the distinct ones).

The product of its digits is 197568, while the sum is 44.

The square root of 137671478 is about 11733.3489677926. The cubic root of 137671478 is about 516.3545302074.

The spelling of 137671478 in words is "one hundred thirty-seven million, six hundred seventy-one thousand, four hundred seventy-eight".