149189083 has 4 divisors (see below), whose sum is σ = 157041160. Its totient is φ = 141337008.

The previous prime is 149189077. The next prime is 149189107. The reversal of 149189083 is 380981941.

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

It is a cyclic number.

It is not a de Polignac number, because 149189083 - 2¹³ = 149180891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149189483) 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, 3926010 + ... + 3926047.

It is an arithmetic number, because the mean of its divisors is an integer number (39260290).

Almost surely, 2^149189083 is an apocalyptic number.

149189083 is a deficient number, since it is larger than the sum of its proper divisors (7852077).

149189083 is an equidigital number, since it uses as much as digits as its factorization.

149189083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7852076.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 149189083 is about 12214.2983015808. The cubic root of 149189083 is about 530.3700785403.

The spelling of 149189083 in words is "one hundred forty-nine million, one hundred eighty-nine thousand, eighty-three".