137703861 has 32 divisors (see below), whose sum is σ = 214099200. Its totient is φ = 87353280.

The previous prime is 137703851. The next prime is 137703949. The reversal of 137703861 is 168307731.

It is not a de Polignac number, because 137703861 - 2¹¹ = 137701813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137703851) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 54355 + ... + 56831.

It is an arithmetic number, because the mean of its divisors is an integer number (6690600).

Almost surely, 2^137703861 is an apocalyptic number.

It is an amenable number.

137703861 is a deficient number, since it is larger than the sum of its proper divisors (76395339).

137703861 is a wasteful number, since it uses less digits than its factorization.

137703861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 137703861 is about 11734.7288422017. The cubic root of 137703861 is about 516.3950125647.

The spelling of 137703861 in words is "one hundred thirty-seven million, seven hundred three thousand, eight hundred sixty-one".