147640137 has 8 divisors (see below), whose sum is σ = 197201760. Its totient is φ = 98252640.

The previous prime is 147640133. The next prime is 147640159. The reversal of 147640137 is 731046741.

147640137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147640137 - 2² = 147640133 is a prime.

It is a super-2 number, since 2×147640137² = 43595220106757538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 147640098 and 147640107.

It is not an unprimeable number, because it can be changed into a prime (147640133) 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, 41539 + ... + 44952.

It is an arithmetic number, because the mean of its divisors is an integer number (24650220).

Almost surely, 2^147640137 is an apocalyptic number.

It is an amenable number.

147640137 is a deficient number, since it is larger than the sum of its proper divisors (49561623).

147640137 is an equidigital number, since it uses as much as digits as its factorization.

147640137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87063.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 147640137 is about 12150.7257807919. The cubic root of 147640137 is about 528.5281782796.

Adding to 147640137 its reverse (731046741), we get a palindrome (878686878).

The spelling of 147640137 in words is "one hundred forty-seven million, six hundred forty thousand, one hundred thirty-seven".