149219079 has 4 divisors (see below), whose sum is σ = 198958776. Its totient is φ = 99479384.

The previous prime is 149219051. The next prime is 149219107. The reversal of 149219079 is 970912941.

149219079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (149219051) and next prime (149219107).

It is a cyclic number.

It is not a de Polignac number, because 149219079 - 2¹² = 149214983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149219079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149219479) 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, 24869844 + ... + 24869849.

It is an arithmetic number, because the mean of its divisors is an integer number (49739694).

Almost surely, 2^149219079 is an apocalyptic number.

149219079 is a deficient number, since it is larger than the sum of its proper divisors (49739697).

149219079 is an equidigital number, since it uses as much as digits as its factorization.

149219079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49739696.

The product of its (nonzero) digits is 40824, while the sum is 42.

The square root of 149219079 is about 12215.5261450336. The cubic root of 149219079 is about 530.4056216119.

The spelling of 149219079 in words is "one hundred forty-nine million, two hundred nineteen thousand, seventy-nine".