136147331 has 8 divisors (see below), whose sum is σ = 146646720. Its totient is φ = 125981352.

The previous prime is 136147321. The next prime is 136147433. The reversal of 136147331 is 133741631.

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

It is a cyclic number.

It is not a de Polignac number, because 136147331 - 2⁶ = 136147267 is a prime.

It is a super-2 number, since 2×136147331² = 37072191476847122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136147294 and 136147303.

It is not an unprimeable number, because it can be changed into a prime (136147321) 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, 82505 + ... + 84138.

It is an arithmetic number, because the mean of its divisors is an integer number (18330840).

Almost surely, 2^136147331 is an apocalyptic number.

136147331 is a deficient number, since it is larger than the sum of its proper divisors (10499389).

136147331 is a wasteful number, since it uses less digits than its factorization.

136147331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166705.

The product of its digits is 4536, while the sum is 29.

The square root of 136147331 is about 11668.2188443652. The cubic root of 136147331 is about 514.4419518439.

Adding to 136147331 its reverse (133741631), we get a palindrome (269888962).

The spelling of 136147331 in words is "one hundred thirty-six million, one hundred forty-seven thousand, three hundred thirty-one".