149136017 has 2 divisors, whose sum is σ = 149136018. Its totient is φ = 149136016.

The previous prime is 149135993. The next prime is 149136041. The reversal of 149136017 is 710631941.

It is a balanced prime because it is at equal distance from previous prime (149135993) and next prime (149136041).

It can be written as a sum of positive squares in only one way, i.e., 136632721 + 12503296 = 11689^2 + 3536^2 .

It is a cyclic number.

It is not a de Polignac number, because 149136017 - 2⁶ = 149135953 is a prime.

It is not a weakly prime, because it can be changed into another prime (149196017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74568008 + 74568009.

It is an arithmetic number, because the mean of its divisors is an integer number (74568009).

Almost surely, 2^149136017 is an apocalyptic number.

It is an amenable number.

149136017 is a deficient number, since it is larger than the sum of its proper divisors (1).

149136017 is an equidigital number, since it uses as much as digits as its factorization.

149136017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 149136017 is about 12212.1258182185. The cubic root of 149136017 is about 530.3071875305.

Adding to 149136017 its reverse (710631941), we get a palindrome (859767958).

The spelling of 149136017 in words is "one hundred forty-nine million, one hundred thirty-six thousand, seventeen".