137965448 has 8 divisors (see below), whose sum is σ = 258685230. Its totient is φ = 68982720.

The previous prime is 137965447. The next prime is 137965559. The reversal of 137965448 is 844569731.

It can be written as a sum of positive squares in only one way, i.e., 81685444 + 56280004 = 9038^2 + 7502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (137965447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8622833 + ... + 8622848.

Almost surely, 2^137965448 is an apocalyptic number.

It is an amenable number.

137965448 is a deficient number, since it is larger than the sum of its proper divisors (120719782).

137965448 is a wasteful number, since it uses less digits than its factorization.

137965448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17245687 (or 17245683 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 137965448 is about 11745.8694016237. The cubic root of 137965448 is about 516.7217929849.

The spelling of 137965448 in words is "one hundred thirty-seven million, nine hundred sixty-five thousand, four hundred forty-eight".