30465139 has 8 divisors (see below), whose sum is σ = 32544720. Its totient is φ = 28417536.

The previous prime is 30465119. The next prime is 30465143. The reversal of 30465139 is 93156403.

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

It is a cyclic number.

It is not a de Polignac number, because 30465139 - 2⁵ = 30465107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30465139.

It is not an unprimeable number, because it can be changed into a prime (30465119) 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, 6009 + ... + 9850.

It is an arithmetic number, because the mean of its divisors is an integer number (4068090).

Almost surely, 2^30465139 is an apocalyptic number.

30465139 is a deficient number, since it is larger than the sum of its proper divisors (2079581).

30465139 is a wasteful number, since it uses less digits than its factorization.

30465139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15989.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 30465139 is about 5519.5234395734. The cubic root of 30465139 is about 312.3209051664.

The spelling of 30465139 in words is "thirty million, four hundred sixty-five thousand, one hundred thirty-nine".