1238635675 has 48 divisors (see below), whose sum is σ = 1687392000. Its totient is φ = 898916480.

The previous prime is 1238635663. The next prime is 1238635679. The reversal of 1238635675 is 5765368321.

It is not a de Polignac number, because 1238635675 - 2⁷ = 1238635547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1238635679) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 983196 + ... + 984454.

It is an arithmetic number, because the mean of its divisors is an integer number (35154000).

Almost surely, 2^1238635675 is an apocalyptic number.

1238635675 is a deficient number, since it is larger than the sum of its proper divisors (448756325).

1238635675 is a wasteful number, since it uses less digits than its factorization.

1238635675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380 (or 1375 counting only the distinct ones).

The product of its digits is 907200, while the sum is 46.

The square root of 1238635675 is about 35194.2562785464. The cubic root of 1238635675 is about 1073.9429089403.

The spelling of 1238635675 in words is "one billion, two hundred thirty-eight million, six hundred thirty-five thousand, six hundred seventy-five".