137381744 has 20 divisors (see below), whose sum is σ = 266526096. Its totient is φ = 68600832.

The previous prime is 137381731. The next prime is 137381749. The reversal of 137381744 is 447183731.

137381744 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 137381698 and 137381707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137381749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7952 + ... + 18384.

Almost surely, 2^137381744 is an apocalyptic number.

It is an amenable number.

137381744 is a deficient number, since it is larger than the sum of its proper divisors (129144352).

137381744 is a wasteful number, since it uses less digits than its factorization.

137381744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264 (or 11258 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 137381744 is about 11720.9958621271. The cubic root of 137381744 is about 515.9920476310.

The spelling of 137381744 in words is "one hundred thirty-seven million, three hundred eighty-one thousand, seven hundred forty-four".