142193851396 has 27 divisors (see below), whose sum is σ = 250560148629. Its totient is φ = 70608599328.

The previous prime is 142193851381. The next prime is 142193851469. The reversal of 142193851396 is 693158391241.

The square root of 142193851396 is 377086.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 12074932996 + 130118918400 = 109886^2 + 360720^2 .

It is a super-2 number, since 2×142193851396² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 125946160 + ... + 125947288.

Almost surely, 2^142193851396 is an apocalyptic number.

142193851396 is the 377086-th square number.

It is an amenable number.

142193851396 is a deficient number, since it is larger than the sum of its proper divisors (108366297233).

142193851396 is an frugal number, since it uses more digits than its factorization.

142193851396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 1298 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 52.

The spelling of 142193851396 in words is "one hundred forty-two billion, one hundred ninety-three million, eight hundred fifty-one thousand, three hundred ninety-six".