1139090157 has 12 divisors (see below), whose sum is σ = 1716889824. Its totient is φ = 726376200.

The previous prime is 1139090131. The next prime is 1139090171. The reversal of 1139090157 is 7510909311.

1139090157 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1139090157 - 2⁸ = 1139089901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139090357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2751219 + ... + 2751632.

It is an arithmetic number, because the mean of its divisors is an integer number (143074152).

Almost surely, 2^1139090157 is an apocalyptic number.

It is an amenable number.

1139090157 is a deficient number, since it is larger than the sum of its proper divisors (577799667).

1139090157 is a wasteful number, since it uses less digits than its factorization.

1139090157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502880 (or 5502877 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 1139090157 is about 33750.4097308462. The cubic root of 1139090157 is about 1044.3659399996.

Adding to 1139090157 its reverse (7510909311), we get a palindrome (8649999468).

The spelling of 1139090157 in words is "one billion, one hundred thirty-nine million, ninety thousand, one hundred fifty-seven".