3215115142 has 8 divisors (see below), whose sum is σ = 4826394936. Its totient is φ = 1606316832.

The previous prime is 3215115133. The next prime is 3215115161. The reversal of 3215115142 is 2415115123.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617128 + ... + 622315.

It is an arithmetic number, because the mean of its divisors is an integer number (603299367).

Almost surely, 2^3215115142 is an apocalyptic number.

3215115142 is a deficient number, since it is larger than the sum of its proper divisors (1611279794).

3215115142 is a wasteful number, since it uses less digits than its factorization.

3215115142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240742.

The product of its digits is 1200, while the sum is 25.

The square root of 3215115142 is about 56701.9853444304. The cubic root of 3215115142 is about 1475.9291500156.

The spelling of 3215115142 in words is "three billion, two hundred fifteen million, one hundred fifteen thousand, one hundred forty-two".