2153139546 has 16 divisors (see below), whose sum is σ = 4532925600. Its totient is φ = 679938768.

The previous prime is 2153139487. The next prime is 2153139563. The reversal of 2153139546 is 6459313512.

It is a super-2 number, since 2×2153139546² = 9272019809098172232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9443481 + ... + 9443708.

It is an arithmetic number, because the mean of its divisors is an integer number (283307850).

Almost surely, 2^2153139546 is an apocalyptic number.

2153139546 is an abundant number, since it is smaller than the sum of its proper divisors (2379786054).

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

2153139546 is a wasteful number, since it uses less digits than its factorization.

2153139546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18887213.

The product of its digits is 97200, while the sum is 39.

The square root of 2153139546 is about 46401.9347225953. The cubic root of 2153139546 is about 1291.2908069872.

The spelling of 2153139546 in words is "two billion, one hundred fifty-three million, one hundred thirty-nine thousand, five hundred forty-six".