149723271890 has 8 divisors (see below), whose sum is σ = 269501889420. Its totient is φ = 59889308752.

The previous prime is 149723271883. The next prime is 149723271911. The reversal of 149723271890 is 98172327941.

149723271890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 141403825369 + 8319446521 = 376037^2 + 91211^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7486163585 + ... + 7486163604.

Almost surely, 2^149723271890 is an apocalyptic number.

149723271890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149723271890 is a deficient number, since it is larger than the sum of its proper divisors (119778617530).

149723271890 is a wasteful number, since it uses less digits than its factorization.

149723271890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14972327196.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 149723271890 in words is "one hundred forty-nine billion, seven hundred twenty-three million, two hundred seventy-one thousand, eight hundred ninety".