146912987 has 8 divisors (see below), whose sum is σ = 160443360. Its totient is φ = 133701120.

The previous prime is 146912981. The next prime is 146912993. The reversal of 146912987 is 789219641.

It is an interprime number because it is at equal distance from previous prime (146912981) and next prime (146912993).

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 146912987 - 2⁴ = 146912971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146912981) 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, 78662 + ... + 80507.

It is an arithmetic number, because the mean of its divisors is an integer number (20055420).

Almost surely, 2^146912987 is an apocalyptic number.

146912987 is a deficient number, since it is larger than the sum of its proper divisors (13530373).

146912987 is a wasteful number, since it uses less digits than its factorization.

146912987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159253.

The product of its digits is 217728, while the sum is 47.

The square root of 146912987 is about 12120.7667661745. The cubic root of 146912987 is about 527.6590561285.

The spelling of 146912987 in words is "one hundred forty-six million, nine hundred twelve thousand, nine hundred eighty-seven".