142939641672 has 48 divisors (see below), whose sum is σ = 409900446540. Its totient is φ = 44843808768.

The previous prime is 142939641661. The next prime is 142939641679. The reversal of 142939641672 is 276146939241.

142939641672 is a `hidden beast` number, since 142 + 9 + 396 + 41 + 6 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114713625636 + 28226016036 = 338694^2 + 168006^2 .

It is a super-2 number, since 2×142939641672² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142939641679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58389153 + ... + 58391600.

Almost surely, 2^142939641672 is an apocalyptic number.

142939641672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142939641672 is an abundant number, since it is smaller than the sum of its proper divisors (266960804868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142939641672 is a wasteful number, since it uses less digits than its factorization.

142939641672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116780782 (or 116780775 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 142939641672 in words is "one hundred forty-two billion, nine hundred thirty-nine million, six hundred forty-one thousand, six hundred seventy-two".