137606747 has 2 divisors, whose sum is σ = 137606748. Its totient is φ = 137606746.

The previous prime is 137606731. The next prime is 137606809. The reversal of 137606747 is 747606731.

It is a weak prime.

It is an emirp because it is prime and its reverse (747606731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 137606747 - 2⁴ = 137606731 is a prime.

It is not a weakly prime, because it can be changed into another prime (137606717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68803373 + 68803374.

It is an arithmetic number, because the mean of its divisors is an integer number (68803374).

Almost surely, 2^137606747 is an apocalyptic number.

137606747 is a deficient number, since it is larger than the sum of its proper divisors (1).

137606747 is an equidigital number, since it uses as much as digits as its factorization.

137606747 is an odious number, because the sum of its binary digits is odd.

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

The square root of 137606747 is about 11730.5902238549. The cubic root of 137606747 is about 516.2735902155.

The spelling of 137606747 in words is "one hundred thirty-seven million, six hundred six thousand, seven hundred forty-seven".