137639782 has 16 divisors (see below), whose sum is σ = 240975360. Its totient is φ = 57733128.

The previous prime is 137639779. The next prime is 137639791. The reversal of 137639782 is 287936731.

It is a happy number.

It is a congruent number.

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, 103932 + ... + 105247.

It is an arithmetic number, because the mean of its divisors is an integer number (15060960).

Almost surely, 2^137639782 is an apocalyptic number.

137639782 is a deficient number, since it is larger than the sum of its proper divisors (103335578).

137639782 is a wasteful number, since it uses less digits than its factorization.

137639782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209235.

The product of its digits is 381024, while the sum is 46.

The square root of 137639782 is about 11731.9982100237. The cubic root of 137639782 is about 516.3149005286.

The spelling of 137639782 in words is "one hundred thirty-seven million, six hundred thirty-nine thousand, seven hundred eighty-two".