1086252147939 has 128 divisors (see below), whose sum is σ = 1812170014720. Its totient is φ = 564791875200.

The previous prime is 1086252147919. The next prime is 1086252147961. The reversal of 1086252147939 is 9397412526801.

It is not a de Polignac number, because 1086252147939 - 2⁹ = 1086252147427 is a prime.

It is a super-2 number, since 2×1086252147939² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086252147919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1230183192 + ... + 1230184074.

It is an arithmetic number, because the mean of its divisors is an integer number (14157578240).

It is a 1-persistent number, because it is pandigital, but 2⋅1086252147939 = 2172504295878 is not.

Almost surely, 2^{1086252147939} is an apocalyptic number.

1086252147939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1086252147939 is a deficient number, since it is larger than the sum of its proper divisors (725917866781).

1086252147939 is a wasteful number, since it uses less digits than its factorization.

1086252147939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 1086252147939 in words is "one trillion, eighty-six billion, two hundred fifty-two million, one hundred forty-seven thousand, nine hundred thirty-nine".