2001137402 has 32 divisors (see below), whose sum is σ = 3534814080. Its totient is φ = 840051520.

The previous prime is 2001137401. The next prime is 2001137407. The reversal of 2001137402 is 2047311002.

It is not an unprimeable number, because it can be changed into a prime (2001137401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53513 + ... + 82860.

It is an arithmetic number, because the mean of its divisors is an integer number (110462940).

Almost surely, 2^2001137402 is an apocalyptic number.

2001137402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001137402 is a deficient number, since it is larger than the sum of its proper divisors (1533676678).

2001137402 is a wasteful number, since it uses less digits than its factorization.

2001137402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136438.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 2001137402 is about 44734.0742834810. The cubic root of 2001137402 is about 1260.1598440868.

Adding to 2001137402 its reverse (2047311002), we get a palindrome (4048448404).

The spelling of 2001137402 in words is "two billion, one million, one hundred thirty-seven thousand, four hundred two".