901135690 has 32 divisors (see below), whose sum is σ = 1996364160. Its totient is φ = 285194304.

The previous prime is 901135681. The next prime is 901135691. The reversal of 901135690 is 96531109.

It is a super-2 number, since 2×901135690² = 1624091063583552200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (901135691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494220 + ... + 496039.

It is an arithmetic number, because the mean of its divisors is an integer number (62386380).

Almost surely, 2^901135690 is an apocalyptic number.

901135690 is an abundant number, since it is smaller than the sum of its proper divisors (1095228470).

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

901135690 is a wasteful number, since it uses less digits than its factorization.

901135690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990286.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 901135690 is about 30018.9221991730. The cubic root of 901135690 is about 965.8953237713.

Adding to 901135690 its reverse (96531109), we get a palindrome (997666799).

It can be divided in two parts, 90 and 1135690, that multiplied together give a square (102212100 = 10110²).

The spelling of 901135690 in words is "nine hundred one million, one hundred thirty-five thousand, six hundred ninety".