146713087381 has 4 divisors (see below), whose sum is σ = 167672099872. Its totient is φ = 125754074892.

The previous prime is 146713087369. The next prime is 146713087403. The reversal of 146713087381 is 183780317641.

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, and also an emirpimes, since its reverse is a distinct semiprime: 183780317641 = 421 ⋅436532821.

It is a cyclic number.

It is not a de Polignac number, because 146713087381 - 2¹¹ = 146713085333 is a prime.

It is a super-2 number, since 2×146713087381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146713087321) 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, 10479506235 + ... + 10479506248.

It is an arithmetic number, because the mean of its divisors is an integer number (41918024968).

Almost surely, 2^146713087381 is an apocalyptic number.

It is an amenable number.

146713087381 is a deficient number, since it is larger than the sum of its proper divisors (20959012491).

146713087381 is an equidigital number, since it uses as much as digits as its factorization.

146713087381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20959012490.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 146713087381 in words is "one hundred forty-six billion, seven hundred thirteen million, eighty-seven thousand, three hundred eighty-one".