980135 has 16 divisors (see below), whose sum is σ = 1342656. Its totient is φ = 680448.

The previous prime is 980131. The next prime is 980137. The reversal of 980135 is 531089.

980135 = T₁₇₀ + T₁₇₁ + ... + T₂₂₀.

980135 = 43² + 44² + ... + 144².

It is a cyclic number.

It is not a de Polignac number, because 980135 - 2² = 980131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 662 + ... + 1548.

It is an arithmetic number, because the mean of its divisors is an integer number (83916).

2⁹⁸⁰¹³⁵ is an apocalyptic number.

980135 is a deficient number, since it is larger than the sum of its proper divisors (362521).

980135 is a wasteful number, since it uses less digits than its factorization.

980135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 980135 is about 990.0176766099. The cubic root of 980135 is about 99.3333996466. Note that the first 4 decimals are identical.

The spelling of 980135 in words is "nine hundred eighty thousand, one hundred thirty-five".