1602135390 has 16 divisors (see below), whose sum is σ = 3845125008. Its totient is φ = 427236096.

The previous prime is 1602135373. The next prime is 1602135391. The reversal of 1602135390 is 935312061.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 53404513 = 1602135390 / (1 + 6 + 0 + 2 + 1 + 3 + 5 + 3 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602135391) 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, 26702227 + ... + 26702286.

It is an arithmetic number, because the mean of its divisors is an integer number (240320313).

Almost surely, 2^1602135390 is an apocalyptic number.

1602135390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1602135390 is an abundant number, since it is smaller than the sum of its proper divisors (2242989618).

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

1602135390 is a wasteful number, since it uses less digits than its factorization.

1602135390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53404523.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 1602135390 is about 40026.6834749021. The cubic root of 1602135390 is about 1170.1271904973.

The spelling of 1602135390 in words is "one billion, six hundred two million, one hundred thirty-five thousand, three hundred ninety".