990834135 has 32 divisors (see below), whose sum is σ = 1741340160. Its totient is φ = 478862208.

The previous prime is 990834133. The next prime is 990834149. The reversal of 990834135 is 531438099.

It is not a de Polignac number, because 990834135 - 2¹ = 990834133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990834133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69024 + ... + 82133.

It is an arithmetic number, because the mean of its divisors is an integer number (54416880).

Almost surely, 2^990834135 is an apocalyptic number.

990834135 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

990834135 is a deficient number, since it is larger than the sum of its proper divisors (750506025).

990834135 is a wasteful number, since it uses less digits than its factorization.

990834135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151207.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 990834135 is about 31477.5179294683. The cubic root of 990834135 is about 996.9353290533.

The spelling of 990834135 in words is "nine hundred ninety million, eight hundred thirty-four thousand, one hundred thirty-five".