149013 has 8 divisors (see below), whose sum is σ = 220800. Its totient is φ = 99324.

The previous prime is 149011. The next prime is 149021. The reversal of 149013 is 310941.

It is not a de Polignac number, because 149013 - 2¹ = 149011 is a prime.

It is a super-4 number, since 4×149013⁴ (a number of 22 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733 + ... + 2786.

It is an arithmetic number, because the mean of its divisors is an integer number (27600).

2¹⁴⁹⁰¹³ is an apocalyptic number.

It is an amenable number.

149013 is a deficient number, since it is larger than the sum of its proper divisors (71787).

149013 is an equidigital number, since it uses as much as digits as its factorization.

149013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528 (or 5522 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 149013 is about 386.0220200973. The cubic root of 149013 is about 53.0161336904.

Adding to 149013 its reverse (310941), we get a palindrome (459954).

The spelling of 149013 in words is "one hundred forty-nine thousand, thirteen".