1138700742 has 32 divisors (see below), whose sum is σ = 2474603520. Its totient is φ = 347988960.

The previous prime is 1138700701. The next prime is 1138700753. The reversal of 1138700742 is 2470078311.

It is a happy number.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 157573 + ... + 164640.

It is an arithmetic number, because the mean of its divisors is an integer number (77331360).

Almost surely, 2^1138700742 is an apocalyptic number.

1138700742 is an abundant number, since it is smaller than the sum of its proper divisors (1335902778).

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

1138700742 is a wasteful number, since it uses less digits than its factorization.

1138700742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322268.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 1138700742 is about 33744.6401966297. The cubic root of 1138700742 is about 1044.2469157318.

The spelling of 1138700742 in words is "one billion, one hundred thirty-eight million, seven hundred thousand, seven hundred forty-two".