4156142531 has 2 divisors, whose sum is σ = 4156142532. Its totient is φ = 4156142530.

The previous prime is 4156142491. The next prime is 4156142537. The reversal of 4156142531 is 1352416514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4156142531 - 2²⁶ = 4089033667 is a prime.

It is a super-2 number, since 2×4156142531² = 34547041475974171922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4156142537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2078071265 + 2078071266.

It is an arithmetic number, because the mean of its divisors is an integer number (2078071266).

Almost surely, 2^4156142531 is an apocalyptic number.

4156142531 is a deficient number, since it is larger than the sum of its proper divisors (1).

4156142531 is an equidigital number, since it uses as much as digits as its factorization.

4156142531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 32.

The square root of 4156142531 is about 64468.1512919364. The cubic root of 4156142531 is about 1607.7930399290.

The spelling of 4156142531 in words is "four billion, one hundred fifty-six million, one hundred forty-two thousand, five hundred thirty-one".