142120414 has 4 divisors (see below), whose sum is σ = 213180624. Its totient is φ = 71060206.

The previous prime is 142120409. The next prime is 142120417. The reversal of 142120414 is 414021241.

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

It is a junction number, because it is equal to n+sod(n) for n = 142120391 and 142120400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142120417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35530102 + ... + 35530105.

It is an arithmetic number, because the mean of its divisors is an integer number (53295156).

Almost surely, 2^142120414 is an apocalyptic number.

142120414 is a deficient number, since it is larger than the sum of its proper divisors (71060210).

142120414 is an equidigital number, since it uses as much as digits as its factorization.

142120414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71060209.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142120414 is about 11921.4266763672. The cubic root of 142120414 is about 521.8577706385.

Adding to 142120414 its reverse (414021241), we get a palindrome (556141655).

The spelling of 142120414 in words is "one hundred forty-two million, one hundred twenty thousand, four hundred fourteen".