30139154 has 16 divisors (see below), whose sum is σ = 47615040. Its totient is φ = 14279760.

The previous prime is 30139129. The next prime is 30139157. The reversal of 30139154 is 45193103.

It is not an unprimeable number, because it can be changed into a prime (30139157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009 + ... + 8019.

It is an arithmetic number, because the mean of its divisors is an integer number (2975940).

Almost surely, 2^30139154 is an apocalyptic number.

30139154 is a deficient number, since it is larger than the sum of its proper divisors (17475886).

30139154 is a wasteful number, since it uses less digits than its factorization.

30139154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 30139154 is about 5489.9138426755. The cubic root of 30139154 is about 311.2029361697.

It can be divided in two parts, 3013 and 9154, that added together give a cube (12167 = 23³).

The spelling of 30139154 in words is "thirty million, one hundred thirty-nine thousand, one hundred fifty-four".