1426877138 has 4 divisors (see below), whose sum is σ = 2140315710. Its totient is φ = 713438568.

The previous prime is 1426877113. The next prime is 1426877141. The reversal of 1426877138 is 8317786241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8317786241 = 8447 ⋅984703.

It can be written as a sum of positive squares in only one way, i.e., 1121781049 + 305096089 = 33493^2 + 17467^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1426877092 and 1426877101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356719283 + ... + 356719286.

Almost surely, 2^1426877138 is an apocalyptic number.

1426877138 is a deficient number, since it is larger than the sum of its proper divisors (713438572).

1426877138 is an equidigital number, since it uses as much as digits as its factorization.

1426877138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713438571.

The product of its digits is 451584, while the sum is 47.

The square root of 1426877138 is about 37774.0272938960. The cubic root of 1426877138 is about 1125.8024597018.

The spelling of 1426877138 in words is "one billion, four hundred twenty-six million, eight hundred seventy-seven thousand, one hundred thirty-eight".