142196737 has 2 divisors, whose sum is σ = 142196738. Its totient is φ = 142196736.

The previous prime is 142196731. The next prime is 142196759. The reversal of 142196737 is 737691241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 59459521 = 9096^2 + 7711^2 .

It is a cyclic number.

It is not a de Polignac number, because 142196737 - 2⁷ = 142196609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142196737.

It is not a weakly prime, because it can be changed into another prime (142196731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71098368 + 71098369.

It is an arithmetic number, because the mean of its divisors is an integer number (71098369).

It is a Proth number, since it is equal to 8679 ⋅ 2¹⁴ + 1 and 8679 < 2¹⁴.

Almost surely, 2^142196737 is an apocalyptic number.

It is an amenable number.

142196737 is a deficient number, since it is larger than the sum of its proper divisors (1).

142196737 is an equidigital number, since it uses as much as digits as its factorization.

142196737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 142196737 is about 11924.6273317031. The cubic root of 142196737 is about 521.9511717709.

The spelling of 142196737 in words is "one hundred forty-two million, one hundred ninety-six thousand, seven hundred thirty-seven".