1238141896 has 8 divisors (see below), whose sum is σ = 2321516070. Its totient is φ = 619070944.

The previous prime is 1238141893. The next prime is 1238141929. The reversal of 1238141896 is 6981418321.

It can be written as a sum of positive squares in only one way, i.e., 1076496100 + 161645796 = 32810^2 + 12714^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1238141893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77383861 + ... + 77383876.

Almost surely, 2^1238141896 is an apocalyptic number.

It is an amenable number.

1238141896 is a deficient number, since it is larger than the sum of its proper divisors (1083374174).

1238141896 is a wasteful number, since it uses less digits than its factorization.

1238141896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154767743 (or 154767739 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 1238141896 is about 35187.2405283506. The cubic root of 1238141896 is about 1073.8001817585.

The spelling of 1238141896 in words is "one billion, two hundred thirty-eight million, one hundred forty-one thousand, eight hundred ninety-six".