137885474 has 4 divisors (see below), whose sum is σ = 206828214. Its totient is φ = 68942736.

The previous prime is 137885471. The next prime is 137885519. The reversal of 137885474 is 474588731.

It is a happy number.

137885474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 130942249 + 6943225 = 11443^2 + 2635^2 .

It is not an unprimeable number, because it can be changed into a prime (137885471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34471367 + ... + 34471370.

Almost surely, 2^137885474 is an apocalyptic number.

137885474 is a deficient number, since it is larger than the sum of its proper divisors (68942740).

137885474 is an equidigital number, since it uses as much as digits as its factorization.

137885474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68942739.

The product of its digits is 752640, while the sum is 47.

The square root of 137885474 is about 11742.4645624332. The cubic root of 137885474 is about 516.6219315181.

The spelling of 137885474 in words is "one hundred thirty-seven million, eight hundred eighty-five thousand, four hundred seventy-four".