142192994940 has 96 divisors (see below), whose sum is σ = 468400484160. Its totient is φ = 35687651328.

The previous prime is 142192994927. The next prime is 142192994947. The reversal of 142192994940 is 49499291241.

142192994940 is a `hidden beast` number, since 1 + 421 + 92 + 9 + 94 + 9 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142192994947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7735537 + ... + 7753896.

It is an arithmetic number, because the mean of its divisors is an integer number (4879171710).

Almost surely, 2^142192994940 is an apocalyptic number.

142192994940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142192994940 is an abundant number, since it is smaller than the sum of its proper divisors (326207489220).

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

142192994940 is a wasteful number, since it uses less digits than its factorization.

142192994940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15489468 (or 15489460 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 142192994940 in words is "one hundred forty-two billion, one hundred ninety-two million, nine hundred ninety-four thousand, nine hundred forty".