142029509438 has 16 divisors (see below), whose sum is σ = 215114532864. Its totient is φ = 70326711000.

The previous prime is 142029509431. The next prime is 142029509473. The reversal of 142029509438 is 834905920241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 142029509392 and 142029509401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142029509431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372188 + ... + 650063.

It is an arithmetic number, because the mean of its divisors is an integer number (13444658304).

Almost surely, 2^142029509438 is an apocalyptic number.

142029509438 is a deficient number, since it is larger than the sum of its proper divisors (73085023426).

142029509438 is a wasteful number, since it uses less digits than its factorization.

142029509438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022927.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 142029509438 in words is "one hundred forty-two billion, twenty-nine million, five hundred nine thousand, four hundred thirty-eight".