1301135542 has 32 divisors (see below), whose sum is σ = 2350656000. Its totient is φ = 527663808.

The previous prime is 1301135519. The next prime is 1301135543. The reversal of 1301135542 is 2455311031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301135543) 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, 276703 + ... + 281365.

It is an arithmetic number, because the mean of its divisors is an integer number (73458000).

Almost surely, 2^1301135542 is an apocalyptic number.

1301135542 is a deficient number, since it is larger than the sum of its proper divisors (1049520458).

1301135542 is a wasteful number, since it uses less digits than its factorization.

1301135542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1301135542 is about 36071.2564516403. The cubic root of 1301135542 is about 1091.7105655702.

Adding to 1301135542 its reverse (2455311031), we get a palindrome (3756446573).

The spelling of 1301135542 in words is "one billion, three hundred one million, one hundred thirty-five thousand, five hundred forty-two".