137405274 has 16 divisors (see below), whose sum is σ = 275224608. Its totient is φ = 45732752.

The previous prime is 137405249. The next prime is 137405287. The reversal of 137405274 is 472504731.

137405274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 12852 + ... + 20975.

It is an arithmetic number, because the mean of its divisors is an integer number (17201538).

Almost surely, 2^137405274 is an apocalyptic number.

137405274 is an abundant number, since it is smaller than the sum of its proper divisors (137819334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137405274 is a wasteful number, since it uses less digits than its factorization.

137405274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34509.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 137405274 is about 11721.9995734516. Note that the first 3 decimals coincide. The cubic root of 137405274 is about 516.0215047224.

The spelling of 137405274 in words is "one hundred thirty-seven million, four hundred five thousand, two hundred seventy-four".