149105719 has 8 divisors (see below), whose sum is σ = 170519328. Its totient is φ = 127720320.

The previous prime is 149105707. The next prime is 149105729. The reversal of 149105719 is 917501941.

149105719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149105719 - 2⁵ = 149105687 is a prime.

It is a super-2 number, since 2×149105719² = 44465030877013922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149105729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5859 + ... + 18235.

It is an arithmetic number, because the mean of its divisors is an integer number (21314916).

Almost surely, 2^149105719 is an apocalyptic number.

149105719 is a deficient number, since it is larger than the sum of its proper divisors (21413609).

149105719 is a wasteful number, since it uses less digits than its factorization.

149105719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 149105719 is about 12210.8852668429. The cubic root of 149105719 is about 530.2712732565.

The spelling of 149105719 in words is "one hundred forty-nine million, one hundred five thousand, seven hundred nineteen".