146621130 has 16 divisors (see below), whose sum is σ = 351890784. Its totient is φ = 39098960.

The previous prime is 146621117. The next prime is 146621131. The reversal of 146621130 is 31126641.

It is a self number, because there is not a number n which added to its sum of digits gives 146621130.

It is not an unprimeable number, because it can be changed into a prime (146621131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443656 + ... + 2443715.

It is an arithmetic number, because the mean of its divisors is an integer number (21993174).

Almost surely, 2^146621130 is an apocalyptic number.

146621130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146621130 is an abundant number, since it is smaller than the sum of its proper divisors (205269654).

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

146621130 is a wasteful number, since it uses less digits than its factorization.

146621130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4887381.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 146621130 is about 12108.7212371910. The cubic root of 146621130 is about 527.3094090702.

Adding to 146621130 its reverse (31126641), we get a palindrome (177747771).

The spelling of 146621130 in words is "one hundred forty-six million, six hundred twenty-one thousand, one hundred thirty".