149338262039 has 4 divisors (see below), whose sum is σ = 149339984256. Its totient is φ = 149336539824.

The previous prime is 149338262011. The next prime is 149338262081. The reversal of 149338262039 is 930262833941.

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

It is a cyclic number.

It is not a de Polignac number, because 149338262039 - 2¹⁶ = 149338196503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149338262639) 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, 723734 + ... + 906899.

It is an arithmetic number, because the mean of its divisors is an integer number (37334996064).

Almost surely, 2^149338262039 is an apocalyptic number.

149338262039 is a deficient number, since it is larger than the sum of its proper divisors (1722217).

149338262039 is an equidigital number, since it uses as much as digits as its factorization.

149338262039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722216.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 149338262039 in words is "one hundred forty-nine billion, three hundred thirty-eight million, two hundred sixty-two thousand, thirty-nine".