2139147802 has 8 divisors (see below), whose sum is σ = 3500423712. Its totient is φ = 972339900.

The previous prime is 2139147797. The next prime is 2139147827. The reversal of 2139147802 is 2087419312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48616974 + ... + 48617017.

It is an arithmetic number, because the mean of its divisors is an integer number (437552964).

Almost surely, 2^2139147802 is an apocalyptic number.

2139147802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2139147802 is a deficient number, since it is larger than the sum of its proper divisors (1361275910).

2139147802 is a wasteful number, since it uses less digits than its factorization.

2139147802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97234004.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2139147802 is about 46250.9221745902. The cubic root of 2139147802 is about 1288.4876618239.

It can be divided in two parts, 2139 and 147802, that added together give a palindrome (149941).

The spelling of 2139147802 in words is "two billion, one hundred thirty-nine million, one hundred forty-seven thousand, eight hundred two".