146993738 has 8 divisors (see below), whose sum is σ = 221599200. Its totient is φ = 73127340.

The previous prime is 146993729. The next prime is 146993741. The reversal of 146993738 is 837399641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×146993738² = 43214318022425288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184268 + ... + 185063.

It is an arithmetic number, because the mean of its divisors is an integer number (27699900).

Almost surely, 2^146993738 is an apocalyptic number.

146993738 is a deficient number, since it is larger than the sum of its proper divisors (74605462).

146993738 is a wasteful number, since it uses less digits than its factorization.

146993738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369532.

The product of its digits is 979776, while the sum is 50.

The square root of 146993738 is about 12124.0974097044. The cubic root of 146993738 is about 527.7557146858.

The spelling of 146993738 in words is "one hundred forty-six million, nine hundred ninety-three thousand, seven hundred thirty-eight".