1016135409 has 8 divisors (see below), whose sum is σ = 1426155040. Its totient is φ = 641769696.

The previous prime is 1016135383. The next prime is 1016135411. The reversal of 1016135409 is 9045316101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1016135409 - 2²¹ = 1014038257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016135489) 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, 8913412 + ... + 8913525.

It is an arithmetic number, because the mean of its divisors is an integer number (178269380).

Almost surely, 2^1016135409 is an apocalyptic number.

1016135409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1016135409 is a deficient number, since it is larger than the sum of its proper divisors (410019631).

1016135409 is a wasteful number, since it uses less digits than its factorization.

1016135409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17826959.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1016135409 is about 31876.8789093286. The cubic root of 1016135409 is about 1005.3497982873.

The spelling of 1016135409 in words is "one billion, sixteen million, one hundred thirty-five thousand, four hundred nine".