5142257077 has 4 divisors (see below), whose sum is σ = 5281237036. Its totient is φ = 5003277120.

The previous prime is 5142257069. The next prime is 5142257161. The reversal of 5142257077 is 7707522415.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3056873521 + 2085383556 = 55289^2 + 45666^2 .

It is a cyclic number.

It is not a de Polignac number, because 5142257077 - 2³ = 5142257069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142257377) 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, 69489924 + ... + 69489997.

It is an arithmetic number, because the mean of its divisors is an integer number (1320309259).

Almost surely, 2^5142257077 is an apocalyptic number.

It is an amenable number.

5142257077 is a deficient number, since it is larger than the sum of its proper divisors (138979959).

5142257077 is a wasteful number, since it uses less digits than its factorization.

5142257077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138979958.

The product of its (nonzero) digits is 137200, while the sum is 40.

The square root of 5142257077 is about 71709.5326787171. The cubic root of 5142257077 is about 1726.0416115639.

The spelling of 5142257077 in words is "five billion, one hundred forty-two million, two hundred fifty-seven thousand, seventy-seven".