146639113 has 4 divisors (see below), whose sum is σ = 148009680. Its totient is φ = 145268548.

The previous prime is 146639047. The next prime is 146639123. The reversal of 146639113 is 311936641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146639113 - 2¹⁷ = 146508041 is a prime.

It is a super-2 number, since 2×146639113² = 43006058922853538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146639123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685123 + ... + 685336.

It is an arithmetic number, because the mean of its divisors is an integer number (37002420).

Almost surely, 2^146639113 is an apocalyptic number.

It is an amenable number.

146639113 is a deficient number, since it is larger than the sum of its proper divisors (1370567).

146639113 is a wasteful number, since it uses less digits than its factorization.

146639113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370566.

The product of its digits is 11664, while the sum is 34.

The square root of 146639113 is about 12109.4637783842. The cubic root of 146639113 is about 527.3309662574.

The spelling of 146639113 in words is "one hundred forty-six million, six hundred thirty-nine thousand, one hundred thirteen".