142402651406 has 8 divisors (see below), whose sum is σ = 214153088760. Its totient is φ = 71018288488.

The previous prime is 142402651393. The next prime is 142402651459. The reversal of 142402651406 is 604156204241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91517636 + ... + 91519191.

It is an arithmetic number, because the mean of its divisors is an integer number (26769136095).

Almost surely, 2^142402651406 is an apocalyptic number.

142402651406 is a deficient number, since it is larger than the sum of its proper divisors (71750437354).

142402651406 is a wasteful number, since it uses less digits than its factorization.

142402651406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183037218.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 142402651406 its reverse (604156204241), we get a palindrome (746558855647).

The spelling of 142402651406 in words is "one hundred forty-two billion, four hundred two million, six hundred fifty-one thousand, four hundred six".