137074786 has 4 divisors (see below), whose sum is σ = 205612182. Its totient is φ = 68537392.

The previous prime is 137074753. The next prime is 137074787. The reversal of 137074786 is 687470731.

137074786 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 687470731 = 8069 ⋅85199.

It can be written as a sum of positive squares in only one way, i.e., 73633561 + 63441225 = 8581^2 + 7965^2 .

It is not an unprimeable number, because it can be changed into a prime (137074787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34268695 + ... + 34268698.

Almost surely, 2^137074786 is an apocalyptic number.

137074786 is a deficient number, since it is larger than the sum of its proper divisors (68537396).

137074786 is an equidigital number, since it uses as much as digits as its factorization.

137074786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68537395.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 137074786 is about 11707.8941744449. The cubic root of 137074786 is about 515.6074599041.

The spelling of 137074786 in words is "one hundred thirty-seven million, seventy-four thousand, seven hundred eighty-six".