1149180536 has 24 divisors (see below), whose sum is σ = 2506504320. Its totient is φ = 492505776.

The previous prime is 1149180493. The next prime is 1149180559. The reversal of 1149180536 is 6350819411.

It is a self number, because there is not a number n which added to its sum of digits gives 1149180536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1465400 + ... + 1466183.

It is an arithmetic number, because the mean of its divisors is an integer number (104437680).

Almost surely, 2^1149180536 is an apocalyptic number.

It is an amenable number.

1149180536 is an abundant number, since it is smaller than the sum of its proper divisors (1357323784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149180536 is a wasteful number, since it uses less digits than its factorization.

1149180536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931603 (or 2931592 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 1149180536 is about 33899.5654249431. The cubic root of 1149180536 is about 1047.4406407429.

Adding to 1149180536 its reverse (6350819411), we get a palindrome (7499999947).

The spelling of 1149180536 in words is "one billion, one hundred forty-nine million, one hundred eighty thousand, five hundred thirty-six".