137785946 has 16 divisors (see below), whose sum is σ = 210462720. Its totient is φ = 67636080.

The previous prime is 137785927. The next prime is 137785951. The reversal of 137785946 is 649587731.

It is a super-2 number, since 2×137785946² = 37969933830229832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137785894 and 137785903.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 126215 + ... + 127301.

It is an arithmetic number, because the mean of its divisors is an integer number (13153920).

Almost surely, 2^137785946 is an apocalyptic number.

137785946 is a deficient number, since it is larger than the sum of its proper divisors (72676774).

137785946 is a wasteful number, since it uses less digits than its factorization.

137785946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189.

The product of its digits is 1270080, while the sum is 50.

The square root of 137785946 is about 11738.2258455015. The cubic root of 137785946 is about 516.4975995330.

The spelling of 137785946 in words is "one hundred thirty-seven million, seven hundred eighty-five thousand, nine hundred forty-six".