142687028736 has 400 divisors, whose sum is σ = 493464395424. Its totient is φ = 40203288576.

The previous prime is 142687028683. The next prime is 142687028767. The reversal of 142687028736 is 637820786241.

142687028736 is a `hidden beast` number, since 1 + 4 + 268 + 70 + 287 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21188826 + ... + 21195558.

Almost surely, 2^142687028736 is an apocalyptic number.

142687028736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142687028736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246732197712).

142687028736 is an abundant number, since it is smaller than the sum of its proper divisors (350777366688).

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

142687028736 is an frugal number, since it uses more digits than its factorization.

142687028736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843 (or 6818 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 142687028736 in words is "one hundred forty-two billion, six hundred eighty-seven million, twenty-eight thousand, seven hundred thirty-six".