149378013959 has 2 divisors, whose sum is σ = 149378013960. Its totient is φ = 149378013958.

The previous prime is 149378013923. The next prime is 149378013997. The reversal of 149378013959 is 959310873941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149378013959 - 2²⁸ = 149109578503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149378013898 and 149378013907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149378015959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74689006979 + 74689006980.

It is an arithmetic number, because the mean of its divisors is an integer number (74689006980).

Almost surely, 2^149378013959 is an apocalyptic number.

149378013959 is a deficient number, since it is larger than the sum of its proper divisors (1).

149378013959 is an equidigital number, since it uses as much as digits as its factorization.

149378013959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 59.

The spelling of 149378013959 in words is "one hundred forty-nine billion, three hundred seventy-eight million, thirteen thousand, nine hundred fifty-nine".