2151134441146 has 4 divisors (see below), whose sum is σ = 3226701661722. Its totient is φ = 1075567220572.

The previous prime is 2151134441143. The next prime is 2151134441201. The reversal of 2151134441146 is 6411444311512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1784214705025 + 366919736121 = 1335745^2 + 605739^2 .

It is not an unprimeable number, because it can be changed into a prime (2151134441143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537783610285 + ... + 537783610288.

Almost surely, 2^{2151134441146} is an apocalyptic number.

2151134441146 is a deficient number, since it is larger than the sum of its proper divisors (1075567220576).

2151134441146 is a wasteful number, since it uses less digits than its factorization.

2151134441146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075567220575.

The product of its digits is 46080, while the sum is 37.

Adding to 2151134441146 its reverse (6411444311512), we get a palindrome (8562578752658).

The spelling of 2151134441146 in words is "two trillion, one hundred fifty-one billion, one hundred thirty-four million, four hundred forty-one thousand, one hundred forty-six".