149920834 has 8 divisors (see below), whose sum is σ = 257007168. Its totient is φ = 64251780.

The previous prime is 149920819. The next prime is 149920843. The reversal of 149920834 is 438029941.

149920834 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5354302 + ... + 5354329.

It is an arithmetic number, because the mean of its divisors is an integer number (32125896).

Almost surely, 2^149920834 is an apocalyptic number.

149920834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149920834 is a deficient number, since it is larger than the sum of its proper divisors (107086334).

149920834 is a wasteful number, since it uses less digits than its factorization.

149920834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10708640.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 149920834 is about 12244.2163489543. The cubic root of 149920834 is about 531.2357943329.

The spelling of 149920834 in words is "one hundred forty-nine million, nine hundred twenty thousand, eight hundred thirty-four".