1876142638 has 8 divisors (see below), whose sum is σ = 2814698232. Its totient is φ = 937909896.

The previous prime is 1876142633. The next prime is 1876142651. The reversal of 1876142638 is 8362416781.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1876142638² = 7039822396243198088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1876142633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65620 + ... + 89767.

It is an arithmetic number, because the mean of its divisors is an integer number (351837279).

Almost surely, 2^1876142638 is an apocalyptic number.

1876142638 is a deficient number, since it is larger than the sum of its proper divisors (938555594).

1876142638 is a wasteful number, since it uses less digits than its factorization.

1876142638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161426.

The product of its digits is 387072, while the sum is 46.

The square root of 1876142638 is about 43314.4622268360. The cubic root of 1876142638 is about 1233.3564740890.

The spelling of 1876142638 in words is "one billion, eight hundred seventy-six million, one hundred forty-two thousand, six hundred thirty-eight".