143920936634 has 8 divisors (see below), whose sum is σ = 215922455028. Its totient is φ = 71946784960.

The previous prime is 143920936619. The next prime is 143920936703. The reversal of 143920936634 is 436639029341.

It can be written as a sum of positive squares in 2 ways, for example, as 141378256009 + 2542680625 = 376003^2 + 50425^2 .

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

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, 6828527 + ... + 6849570.

Almost surely, 2^143920936634 is an apocalyptic number.

143920936634 is a deficient number, since it is larger than the sum of its proper divisors (72001518394).

143920936634 is a wasteful number, since it uses less digits than its factorization.

143920936634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13683360.

The product of its (nonzero) digits is 2519424, while the sum is 50.

The spelling of 143920936634 in words is "one hundred forty-three billion, nine hundred twenty million, nine hundred thirty-six thousand, six hundred thirty-four".