149219086 has 4 divisors (see below), whose sum is σ = 223828632. Its totient is φ = 74609542.

The previous prime is 149219051. The next prime is 149219107. The reversal of 149219086 is 680912941.

149219086 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, and also an emirpimes, since its reverse is a distinct semiprime: 680912941 = 167 ⋅4077323.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37304770 + ... + 37304773.

It is an arithmetic number, because the mean of its divisors is an integer number (55957158).

Almost surely, 2^149219086 is an apocalyptic number.

149219086 is a deficient number, since it is larger than the sum of its proper divisors (74609546).

149219086 is an equidigital number, since it uses as much as digits as its factorization.

149219086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74609545.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 149219086 is about 12215.5264315542. The cubic root of 149219086 is about 530.4056299058.

The spelling of 149219086 in words is "one hundred forty-nine million, two hundred nineteen thousand, eighty-six".