149123834 has 8 divisors (see below), whose sum is σ = 224810400. Its totient is φ = 74187036.

The previous prime is 149123831. The next prime is 149123839. The reversal of 149123834 is 438321941.

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

It is a junction number, because it is equal to n+sod(n) for n = 149123794 and 149123803.

It is not an unprimeable number, because it can be changed into a prime (149123831) 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, 186944 + ... + 187739.

It is an arithmetic number, because the mean of its divisors is an integer number (28101300).

Almost surely, 2^149123834 is an apocalyptic number.

149123834 is a deficient number, since it is larger than the sum of its proper divisors (75686566).

149123834 is a wasteful number, since it uses less digits than its factorization.

149123834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374884.

The product of its digits is 20736, while the sum is 35.

The square root of 149123834 is about 12211.6270005270. The cubic root of 149123834 is about 530.2927467792.

The spelling of 149123834 in words is "one hundred forty-nine million, one hundred twenty-three thousand, eight hundred thirty-four".