2146150261340 has 48 divisors (see below), whose sum is σ = 4773345220224. Its totient is φ = 807739468800.

The previous prime is 2146150261313. The next prime is 2146150261361. The reversal of 2146150261340 is 431620516412.

It is a self number, because there is not a number n which added to its sum of digits gives 2146150261340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365330 + ... + 2103750.

It is an arithmetic number, because the mean of its divisors is an integer number (99444692088).

Almost surely, 2^{2146150261340} is an apocalyptic number.

2146150261340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2146150261340 is an abundant number, since it is smaller than the sum of its proper divisors (2627194958884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2146150261340 is a wasteful number, since it uses less digits than its factorization.

2146150261340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742078 (or 1742076 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 2146150261340 its reverse (431620516412), we get a palindrome (2577770777752).

The spelling of 2146150261340 in words is "two trillion, one hundred forty-six billion, one hundred fifty million, two hundred sixty-one thousand, three hundred forty".