1301379140 has 48 divisors (see below), whose sum is σ = 2759300544. Its totient is φ = 515548800.

The previous prime is 1301379137. The next prime is 1301379151. The reversal of 1301379140 is 419731031.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110755 + ... + 1111925.

It is an arithmetic number, because the mean of its divisors is an integer number (57485428).

Almost surely, 2^1301379140 is an apocalyptic number.

1301379140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301379140 is an abundant number, since it is smaller than the sum of its proper divisors (1457921404).

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

1301379140 is a wasteful number, since it uses less digits than its factorization.

1301379140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1301379140 is about 36074.6329156653. The cubic root of 1301379140 is about 1091.7786911695.

The spelling of 1301379140 in words is "one billion, three hundred one million, three hundred seventy-nine thousand, one hundred forty".