1652138147 has 4 divisors (see below), whose sum is σ = 1802332536. Its totient is φ = 1501943760.

The previous prime is 1652138143. The next prime is 1652138177. The reversal of 1652138147 is 7418312561.

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

It is a cyclic number.

It is not a de Polignac number, because 1652138147 - 2² = 1652138143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1652138147.

It is not an unprimeable number, because it can be changed into a prime (1652138143) 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, 75097178 + ... + 75097199.

It is an arithmetic number, because the mean of its divisors is an integer number (450583134).

Almost surely, 2^1652138147 is an apocalyptic number.

1652138147 is a deficient number, since it is larger than the sum of its proper divisors (150194389).

1652138147 is a wasteful number, since it uses less digits than its factorization.

1652138147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150194388.

The product of its digits is 40320, while the sum is 38.

The square root of 1652138147 is about 40646.5022726433. The cubic root of 1652138147 is about 1182.1759493590.

It can be divided in two parts, 165 and 2138147, that added together give a palindrome (2138312).

The spelling of 1652138147 in words is "one billion, six hundred fifty-two million, one hundred thirty-eight thousand, one hundred forty-seven".