1301664142 has 4 divisors (see below), whose sum is σ = 1952496216. Its totient is φ = 650832070.

The previous prime is 1301664131. The next prime is 1301664197. The reversal of 1301664142 is 2414661031.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1301664142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325416034 + ... + 325416037.

It is an arithmetic number, because the mean of its divisors is an integer number (488124054).

Almost surely, 2^1301664142 is an apocalyptic number.

1301664142 is a deficient number, since it is larger than the sum of its proper divisors (650832074).

1301664142 is an equidigital number, since it uses as much as digits as its factorization.

1301664142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650832073.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1301664142 is about 36078.5828712825. The cubic root of 1301664142 is about 1091.8583851877.

The spelling of 1301664142 in words is "one billion, three hundred one million, six hundred sixty-four thousand, one hundred forty-two".