407311142 has 8 divisors (see below), whose sum is σ = 698247696. Its totient is φ = 174561912.

The previous prime is 407311141. The next prime is 407311147. The reversal of 407311142 is 241113704.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407311141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14546813 + ... + 14546840.

It is an arithmetic number, because the mean of its divisors is an integer number (87280962).

Almost surely, 2^407311142 is an apocalyptic number.

407311142 is a deficient number, since it is larger than the sum of its proper divisors (290936554).

407311142 is a wasteful number, since it uses less digits than its factorization.

407311142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29093662.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 407311142 is about 20181.9508967790. The cubic root of 407311142 is about 741.2683034344.

Adding to 407311142 its reverse (241113704), we get a palindrome (648424846).

The spelling of 407311142 in words is "four hundred seven million, three hundred eleven thousand, one hundred forty-two".