1147675138 has 4 divisors (see below), whose sum is σ = 1721512710. Its totient is φ = 573837568.

The previous prime is 1147675103. The next prime is 1147675141. The reversal of 1147675138 is 8315767411.

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

It can be written as a sum of positive squares in only one way, i.e., 789216649 + 358458489 = 28093^2 + 18933^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1147675094 and 1147675103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286918783 + ... + 286918786.

Almost surely, 2^1147675138 is an apocalyptic number.

1147675138 is a deficient number, since it is larger than the sum of its proper divisors (573837572).

1147675138 is an equidigital number, since it uses as much as digits as its factorization.

1147675138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573837571.

The product of its digits is 141120, while the sum is 43.

The square root of 1147675138 is about 33877.3543536091. The cubic root of 1147675138 is about 1046.9830671278.

The spelling of 1147675138 in words is "one billion, one hundred forty-seven million, six hundred seventy-five thousand, one hundred thirty-eight".