350405136 has 40 divisors (see below), whose sum is σ = 1005793760. Its totient is φ = 116801568.

The previous prime is 350405131. The next prime is 350405149. The reversal of 350405136 is 631504053.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (350405131) 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, 405130 + ... + 405993.

It is an arithmetic number, because the mean of its divisors is an integer number (25144844).

Almost surely, 2^350405136 is an apocalyptic number.

350405136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

350405136 is an abundant number, since it is smaller than the sum of its proper divisors (655388624).

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

350405136 is a wasteful number, since it uses less digits than its factorization.

350405136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811140 (or 811128 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 350405136 is about 18719.1115173771. Note that the first 3 decimals coincide. The cubic root of 350405136 is about 705.0016840159.

Adding to 350405136 its reverse (631504053), we get a palindrome (981909189).

The spelling of 350405136 in words is "three hundred fifty million, four hundred five thousand, one hundred thirty-six".