142013651 has 8 divisors (see below), whose sum is σ = 154657440. Its totient is φ = 129615552.

The previous prime is 142013633. The next prime is 142013653. The reversal of 142013651 is 156310241.

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

It is a cyclic number.

It is not a de Polignac number, because 142013651 - 2¹⁰ = 142012627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142013653) 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, 60215 + ... + 62528.

It is an arithmetic number, because the mean of its divisors is an integer number (19332180).

Almost surely, 2^142013651 is an apocalyptic number.

142013651 is a deficient number, since it is larger than the sum of its proper divisors (12643789).

142013651 is a wasteful number, since it uses less digits than its factorization.

142013651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122845.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 142013651 is about 11916.9480572838. The cubic root of 142013651 is about 521.7270620917.

Adding to 142013651 its reverse (156310241), we get a palindrome (298323892).

The spelling of 142013651 in words is "one hundred forty-two million, thirteen thousand, six hundred fifty-one".