1190642534142 has 128 divisors (see below), whose sum is σ = 2633315401728. Its totient is φ = 357245952000.

The previous prime is 1190642534131. The next prime is 1190642534149. The reversal of 1190642534142 is 2414352460911.

It is a junction number, because it is equal to n+sod(n) for n = 1190642534094 and 1190642534103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190642534149) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 189378523 + ... + 189384809.

It is an arithmetic number, because the mean of its divisors is an integer number (20572776576).

Almost surely, 2^{1190642534142} is an apocalyptic number.

1190642534142 is an abundant number, since it is smaller than the sum of its proper divisors (1442672867586).

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

1190642534142 is a wasteful number, since it uses less digits than its factorization.

1190642534142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7034.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 1190642534142 in words is "one trillion, one hundred ninety billion, six hundred forty-two million, five hundred thirty-four thousand, one hundred forty-two".