147207136 has 36 divisors (see below), whose sum is σ = 305894232. Its totient is φ = 69724224.

The previous prime is 147207133. The next prime is 147207139. The reversal of 147207136 is 631702741.

It is an interprime number because it is at equal distance from previous prime (147207133) and next prime (147207139).

It is a junction number, because it is equal to n+sod(n) for n = 147207098 and 147207107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147207133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5181 + ... + 17923.

It is an arithmetic number, because the mean of its divisors is an integer number (8497062).

Almost surely, 2^147207136 is an apocalyptic number.

147207136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147207136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152947116).

147207136 is an abundant number, since it is smaller than the sum of its proper divisors (158687096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147207136 is a wasteful number, since it uses less digits than its factorization.

147207136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12791 (or 12764 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 147207136 is about 12132.8947906095. The cubic root of 147207136 is about 528.0109807940.

Adding to 147207136 its reverse (631702741), we get a palindrome (778909877).

The spelling of 147207136 in words is "one hundred forty-seven million, two hundred seven thousand, one hundred thirty-six".