1101457139 has 4 divisors (see below), whose sum is σ = 1101532920. Its totient is φ = 1101381360.

The previous prime is 1101457127. The next prime is 1101457163. The reversal of 1101457139 is 9317541011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1101457139 - 2⁸ = 1101456883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101457109) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8477 + ... + 47694.

It is an arithmetic number, because the mean of its divisors is an integer number (275383230).

Almost surely, 2^1101457139 is an apocalyptic number.

1101457139 is a deficient number, since it is larger than the sum of its proper divisors (75781).

1101457139 is an equidigital number, since it uses as much as digits as its factorization.

1101457139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75780.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 1101457139 is about 33188.2078304930. The cubic root of 1101457139 is about 1032.7357251303.

The spelling of 1101457139 in words is "one billion, one hundred one million, four hundred fifty-seven thousand, one hundred thirty-nine".