149726039 has 4 divisors (see below), whose sum is σ = 151960824. Its totient is φ = 147491256.

The previous prime is 149726029. The next prime is 149726047. The reversal of 149726039 is 930627941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149726039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149725987 and 149726005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149726029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117292 + ... + 1117425.

It is an arithmetic number, because the mean of its divisors is an integer number (37990206).

Almost surely, 2^149726039 is an apocalyptic number.

149726039 is a deficient number, since it is larger than the sum of its proper divisors (2234785).

149726039 is an equidigital number, since it uses as much as digits as its factorization.

149726039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234784.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 149726039 is about 12236.2591914359. The cubic root of 149726039 is about 531.0056130101.

The spelling of 149726039 in words is "one hundred forty-nine million, seven hundred twenty-six thousand, thirty-nine".