1090435256 has 8 divisors (see below), whose sum is σ = 2044566120. Its totient is φ = 545217624.

The previous prime is 1090435249. The next prime is 1090435271. The reversal of 1090435256 is 6525340901.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68152196 + ... + 68152211.

It is an arithmetic number, because the mean of its divisors is an integer number (255570765).

Almost surely, 2^1090435256 is an apocalyptic number.

It is an amenable number.

1090435256 is a deficient number, since it is larger than the sum of its proper divisors (954130864).

1090435256 is a wasteful number, since it uses less digits than its factorization.

1090435256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136304413 (or 136304409 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1090435256 is about 33021.7391425709. The cubic root of 1090435256 is about 1029.2794331841.

The spelling of 1090435256 in words is "one billion, ninety million, four hundred thirty-five thousand, two hundred fifty-six".