142000125813 has 80 divisors (see below), whose sum is σ = 264381089280. Its totient is φ = 73952745984.

The previous prime is 142000125793. The next prime is 142000125847. The reversal of 142000125813 is 318521000241.

It is not a de Polignac number, because 142000125813 - 2⁶ = 142000125749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142000125863) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 460381 + ... + 704237.

It is an arithmetic number, because the mean of its divisors is an integer number (3304763616).

Almost surely, 2^142000125813 is an apocalyptic number.

142000125813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142000125813 is a deficient number, since it is larger than the sum of its proper divisors (122380963467).

142000125813 is a wasteful number, since it uses less digits than its factorization.

142000125813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243968 (or 243959 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 142000125813 in words is "one hundred forty-two billion, one hundred twenty-five thousand, eight hundred thirteen".