137723837 has 8 divisors (see below), whose sum is σ = 146081760. Its totient is φ = 129476880.

The previous prime is 137723821. The next prime is 137723867. The reversal of 137723837 is 738327731.

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 137723837 - 2⁴ = 137723821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 137723794 and 137723803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137723867) 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, 25178 + ... + 30155.

It is an arithmetic number, because the mean of its divisors is an integer number (18260220).

Almost surely, 2^137723837 is an apocalyptic number.

It is an amenable number.

137723837 is a deficient number, since it is larger than the sum of its proper divisors (8357923).

137723837 is a wasteful number, since it uses less digits than its factorization.

137723837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55483.

The product of its digits is 148176, while the sum is 41.

The square root of 137723837 is about 11735.5799601042. The cubic root of 137723837 is about 516.4199816250.

The spelling of 137723837 in words is "one hundred thirty-seven million, seven hundred twenty-three thousand, eight hundred thirty-seven".