30514140 has 36 divisors (see below), whose sum is σ = 92560104. Its totient is φ = 8137056.

The previous prime is 30514129. The next prime is 30514189. The reversal of 30514140 is 4141503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30514140² = 1862225479879200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84582 + ... + 84941.

It is an arithmetic number, because the mean of its divisors is an integer number (2571114).

Almost surely, 2^30514140 is an apocalyptic number.

30514140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30514140 is an abundant number, since it is smaller than the sum of its proper divisors (62045964).

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

30514140 is a wasteful number, since it uses less digits than its factorization.

30514140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169538 (or 169533 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 30514140 is about 5523.9605357026. The cubic root of 30514140 is about 312.4882640926.

Adding to 30514140 its reverse (4141503), we get a palindrome (34655643).

The spelling of 30514140 in words is "thirty million, five hundred fourteen thousand, one hundred forty".