146784371389 has 16 divisors (see below), whose sum is σ = 155070532800. Its totient is φ = 138554672256.

The previous prime is 146784371287. The next prime is 146784371411. The reversal of 146784371389 is 983173487641.

It is a cyclic number.

It is not a de Polignac number, because 146784371389 - 2⁹ = 146784370877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146782371389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20150742 + ... + 20158024.

It is an arithmetic number, because the mean of its divisors is an integer number (9691908300).

Almost surely, 2^146784371389 is an apocalyptic number.

146784371389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146784371389 is a deficient number, since it is larger than the sum of its proper divisors (8286161411).

146784371389 is a wasteful number, since it uses less digits than its factorization.

146784371389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11004.

The product of its digits is 24385536, while the sum is 61.

The spelling of 146784371389 in words is "one hundred forty-six billion, seven hundred eighty-four million, three hundred seventy-one thousand, three hundred eighty-nine".