30152136 has 64 divisors (see below), whose sum is σ = 87050880. Its totient is φ = 8524800.

The previous prime is 30152131. The next prime is 30152147. The reversal of 30152136 is 63125103.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30152131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16080 + ... + 17856.

It is an arithmetic number, because the mean of its divisors is an integer number (1360170).

Almost surely, 2^30152136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30152136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43525440).

30152136 is an abundant number, since it is smaller than the sum of its proper divisors (56898744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30152136 is a wasteful number, since it uses less digits than its factorization.

30152136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30152136 is about 5491.0960654500. The cubic root of 30152136 is about 311.2476117944.

Adding to 30152136 its reverse (63125103), we get a palindrome (93277239).

It can be divided in two parts, 3015 and 2136, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 30152136 in words is "thirty million, one hundred fifty-two thousand, one hundred thirty-six".