149564039 has 8 divisors (see below), whose sum is σ = 152770752. Its totient is φ = 146371680.

The previous prime is 149564021. The next prime is 149564047. The reversal of 149564039 is 930465941.

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 149564039 - 2⁸ = 149563783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149563987 and 149564005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149564059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18962 + ... + 25664.

It is an arithmetic number, because the mean of its divisors is an integer number (19096344).

Almost surely, 2^149564039 is an apocalyptic number.

149564039 is a deficient number, since it is larger than the sum of its proper divisors (3206713).

149564039 is an equidigital number, since it uses as much as digits as its factorization.

149564039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 149564039 is about 12229.6377297122. The cubic root of 149564039 is about 530.8140320990.

The spelling of 149564039 in words is "one hundred forty-nine million, five hundred sixty-four thousand, thirty-nine".