146717138 has 8 divisors (see below), whose sum is σ = 229644288. Its totient is φ = 70169044.

The previous prime is 146717117. The next prime is 146717149. The reversal of 146717138 is 831717641.

It is a happy number.

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

It is a super-2 number, since 2×146717138² = 43051837165822088, which contains 22 as substring.

It is a Curzon number.

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, 1594706 + ... + 1594797.

It is an arithmetic number, because the mean of its divisors is an integer number (28705536).

Almost surely, 2^146717138 is an apocalyptic number.

146717138 is a deficient number, since it is larger than the sum of its proper divisors (82927150).

146717138 is a wasteful number, since it uses less digits than its factorization.

146717138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189528.

The product of its digits is 28224, while the sum is 38.

The square root of 146717138 is about 12112.6850037471. The cubic root of 146717138 is about 527.4244786052.

The spelling of 146717138 in words is "one hundred forty-six million, seven hundred seventeen thousand, one hundred thirty-eight".