1302140140 has 24 divisors (see below), whose sum is σ = 3125136672. Its totient is φ = 446448000.

The previous prime is 1302140087. The next prime is 1302140141. The reversal of 1302140140 is 410412031.

It is not an unprimeable number, because it can be changed into a prime (1302140141) 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, 4650361 + ... + 4650640.

It is an arithmetic number, because the mean of its divisors is an integer number (130214028).

Almost surely, 2^1302140140 is an apocalyptic number.

1302140140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302140140 is an abundant number, since it is smaller than the sum of its proper divisors (1822996532).

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

1302140140 is a wasteful number, since it uses less digits than its factorization.

1302140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301017 (or 9301015 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1302140140 is about 36085.1789520296. The cubic root of 1302140140 is about 1091.9914607516.

Adding to 1302140140 its reverse (410412031), we get a palindrome (1712552171).

The spelling of 1302140140 in words is "one billion, three hundred two million, one hundred forty thousand, one hundred forty".