1542662137 has 2 divisors, whose sum is σ = 1542662138. Its totient is φ = 1542662136.

The previous prime is 1542662119. The next prime is 1542662167. The reversal of 1542662137 is 7312662451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 854334441 + 688327696 = 29229^2 + 26236^2 .

It is a cyclic number.

It is not a de Polignac number, because 1542662137 - 2²³ = 1534273529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1542662096 and 1542662105.

It is not a weakly prime, because it can be changed into another prime (1542662167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771331068 + 771331069.

It is an arithmetic number, because the mean of its divisors is an integer number (771331069).

Almost surely, 2^1542662137 is an apocalyptic number.

It is an amenable number.

1542662137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542662137 is an equidigital number, since it uses as much as digits as its factorization.

1542662137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 1542662137 is about 39276.7378609782. The cubic root of 1542662137 is about 1155.4653864392.

The spelling of 1542662137 in words is "one billion, five hundred forty-two million, six hundred sixty-two thousand, one hundred thirty-seven".