30914136 has 80 divisors (see below), whose sum is σ = 94481640. Its totient is φ = 9365760.

The previous prime is 30914131. The next prime is 30914141. The reversal of 30914136 is 63141903.

It is an interprime number because it is at equal distance from previous prime (30914131) and next prime (30914141).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30914131) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4960 + ... + 9296.

Almost surely, 2^30914136 is an apocalyptic number.

30914136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30914136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47240820).

30914136 is an abundant number, since it is smaller than the sum of its proper divisors (63567504).

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

30914136 is a wasteful number, since it uses less digits than its factorization.

30914136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4366 (or 4353 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 30914136 is about 5560.0482012299. The cubic root of 30914136 is about 313.8477631672.

It can be divided in two parts, 3091 and 4136, that added together give a palindrome (7227).

The spelling of 30914136 in words is "thirty million, nine hundred fourteen thousand, one hundred thirty-six".