146965639 has 8 divisors (see below), whose sum is σ = 149382128. Its totient is φ = 144555840.

The previous prime is 146965633. The next prime is 146965657. The reversal of 146965639 is 936569641.

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 146965639 - 2²³ = 138577031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146965592 and 146965601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146965633) 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, 61609 + ... + 63949.

It is an arithmetic number, because the mean of its divisors is an integer number (18672766).

Almost surely, 2^146965639 is an apocalyptic number.

146965639 is a deficient number, since it is larger than the sum of its proper divisors (2416489).

146965639 is an equidigital number, since it uses as much as digits as its factorization.

146965639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345.

The product of its digits is 1049760, while the sum is 49.

The square root of 146965639 is about 12122.9385464086. The cubic root of 146965639 is about 527.7220843352.

The spelling of 146965639 in words is "one hundred forty-six million, nine hundred sixty-five thousand, six hundred thirty-nine".