1090156628 has 24 divisors (see below), whose sum is σ = 2093684544. Its totient is φ = 492555200.

The previous prime is 1090156621. The next prime is 1090156631. The reversal of 1090156628 is 8266510901.

It is a junction number, because it is equal to n+sod(n) for n = 1090156591 and 1090156600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090156621) 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, 66833 + ... + 81528.

It is an arithmetic number, because the mean of its divisors is an integer number (87236856).

Almost surely, 2^1090156628 is an apocalyptic number.

It is an amenable number.

1090156628 is a deficient number, since it is larger than the sum of its proper divisors (1003527916).

1090156628 is a wasteful number, since it uses less digits than its factorization.

1090156628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148543 (or 148541 counting only the distinct ones).

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

The square root of 1090156628 is about 33017.5200158946. The cubic root of 1090156628 is about 1029.1917585611.

The spelling of 1090156628 in words is "one billion, ninety million, one hundred fifty-six thousand, six hundred twenty-eight".