137719444 has 6 divisors (see below), whose sum is σ = 241009034. Its totient is φ = 68859720.

The previous prime is 137719427. The next prime is 137719457. The reversal of 137719444 is 444917731.

It can be written as a sum of positive squares in only one way, i.e., 116208400 + 21511044 = 10780^2 + 4638^2 .

It is a junction number, because it is equal to n+sod(n) for n = 137719397 and 137719406.

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 as a sum of consecutive naturals, namely, 17214927 + ... + 17214934.

Almost surely, 2^137719444 is an apocalyptic number.

It is an amenable number.

137719444 is a deficient number, since it is larger than the sum of its proper divisors (103289590).

137719444 is a wasteful number, since it uses less digits than its factorization.

137719444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34429865 (or 34429863 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 137719444 is about 11735.3927927445. The cubic root of 137719444 is about 516.4144907887.

The spelling of 137719444 in words is "one hundred thirty-seven million, seven hundred nineteen thousand, four hundred forty-four".