30139334 has 16 divisors (see below), whose sum is σ = 48081600. Its totient is φ = 14120064.

The previous prime is 30139313. The next prime is 30139337. The reversal of 30139334 is 43393103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30139337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6272 + ... + 9980.

It is an arithmetic number, because the mean of its divisors is an integer number (3005100).

Almost surely, 2^30139334 is an apocalyptic number.

30139334 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30139334 is a deficient number, since it is larger than the sum of its proper divisors (17942266).

30139334 is a wasteful number, since it uses less digits than its factorization.

30139334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 30139334 is about 5489.9302363509. The cubic root of 30139334 is about 311.2035557007.

The spelling of 30139334 in words is "thirty million, one hundred thirty-nine thousand, three hundred thirty-four".