137453639 has 8 divisors (see below), whose sum is σ = 138915840. Its totient is φ = 135999000.

The previous prime is 137453633. The next prime is 137453651. The reversal of 137453639 is 936354731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137453639 - 2¹⁶ = 137388103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137453596 and 137453605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137453633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39242 + ... + 42600.

It is an arithmetic number, because the mean of its divisors is an integer number (17364480).

Almost surely, 2^137453639 is an apocalyptic number.

137453639 is a deficient number, since it is larger than the sum of its proper divisors (1462201).

137453639 is a wasteful number, since it uses less digits than its factorization.

137453639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781.

The product of its digits is 204120, while the sum is 41.

The square root of 137453639 is about 11724.0623932151. The cubic root of 137453639 is about 516.0820420698.

The spelling of 137453639 in words is "one hundred thirty-seven million, four hundred fifty-three thousand, six hundred thirty-nine".