2164140147 has 48 divisors (see below), whose sum is σ = 3305126400. Its totient is φ = 1255512960.

The previous prime is 2164140113. The next prime is 2164140157. The reversal of 2164140147 is 7410414612.

It is not a de Polignac number, because 2164140147 - 2²⁶ = 2097031283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2164140157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2610129 + ... + 2610957.

It is an arithmetic number, because the mean of its divisors is an integer number (68856800).

Almost surely, 2^2164140147 is an apocalyptic number.

2164140147 is a deficient number, since it is larger than the sum of its proper divisors (1140986253).

2164140147 is a wasteful number, since it uses less digits than its factorization.

2164140147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2164140147 is about 46520.3197216012. The cubic root of 2164140147 is about 1293.4861828613.

Adding to 2164140147 its reverse (7410414612), we get a palindrome (9574554759).

It can be divided in two parts, 2164 and 140147, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 2164140147 in words is "two billion, one hundred sixty-four million, one hundred forty thousand, one hundred forty-seven".