1138001577 has 8 divisors (see below), whose sum is σ = 1532067264. Its totient is φ = 751301808.

The previous prime is 1138001549. The next prime is 1138001609. The reversal of 1138001577 is 7751008311.

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

It is not a de Polignac number, because 1138001577 - 2¹¹ = 1137999529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138001077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841118 + ... + 1841735.

It is an arithmetic number, because the mean of its divisors is an integer number (191508408).

Almost surely, 2^1138001577 is an apocalyptic number.

It is an amenable number.

1138001577 is a deficient number, since it is larger than the sum of its proper divisors (394065687).

1138001577 is a wasteful number, since it uses less digits than its factorization.

1138001577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682959.

The product of its (nonzero) digits is 5880, while the sum is 33.

The square root of 1138001577 is about 33734.2789607248. The cubic root of 1138001577 is about 1044.0331486003.

Adding to 1138001577 its reverse (7751008311), we get a palindrome (8889009888).

The spelling of 1138001577 in words is "one billion, one hundred thirty-eight million, one thousand, five hundred seventy-seven".