137905066 has 16 divisors (see below), whose sum is σ = 226548000. Its totient is φ = 62569008.

The previous prime is 137905049. The next prime is 137905069. The reversal of 137905066 is 660509731.

It is not an unprimeable number, because it can be changed into a prime (137905069) by changing a digit.

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, 43416 + ... + 46483.

It is an arithmetic number, because the mean of its divisors is an integer number (14159250).

Almost surely, 2^137905066 is an apocalyptic number.

137905066 is a deficient number, since it is larger than the sum of its proper divisors (88642934).

137905066 is a wasteful number, since it uses less digits than its factorization.

137905066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89973.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 137905066 is about 11743.2987699368. The cubic root of 137905066 is about 516.6463991125.

The spelling of 137905066 in words is "one hundred thirty-seven million, nine hundred five thousand, sixty-six".