137630647 has 16 divisors (see below), whose sum is σ = 171908352. Its totient is φ = 107046720.

The previous prime is 137630641. The next prime is 137630671. The reversal of 137630647 is 746036731.

It is a de Polignac number, because none of the positive numbers 2^k-137630647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137630641) 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 15 ways as a sum of consecutive naturals, for example, 51283 + ... + 53899.

It is an arithmetic number, because the mean of its divisors is an integer number (10744272).

Almost surely, 2^137630647 is an apocalyptic number.

137630647 is a deficient number, since it is larger than the sum of its proper divisors (34277705).

137630647 is a wasteful number, since it uses less digits than its factorization.

137630647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 137630647 is about 11731.6088836954. The cubic root of 137630647 is about 516.3034778598.

It can be divided in two parts, 1376 and 30647, that added together give a palindrome (32023).

The spelling of 137630647 in words is "one hundred thirty-seven million, six hundred thirty thousand, six hundred forty-seven".