340138276825 has 24 divisors (see below), whose sum is σ = 428866061976. Its totient is φ = 267537216000.

The previous prime is 340138276817. The next prime is 340138276843. The reversal of 340138276825 is 528672831043.

It can be written as a sum of positive squares in 12 ways, for example, as 148416021504 + 191722255321 = 385248^2 + 437861^2 .

It is not a de Polignac number, because 340138276825 - 2³ = 340138276817 is a prime.

It is a super-2 number, since 2×340138276825² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3676839 + ... + 3768211.

It is an arithmetic number, because the mean of its divisors is an integer number (17869419249).

Almost surely, 2^340138276825 is an apocalyptic number.

It is an amenable number.

340138276825 is a deficient number, since it is larger than the sum of its proper divisors (88727785151).

340138276825 is a wasteful number, since it uses less digits than its factorization.

340138276825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93885 (or 93880 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 340138276825 in words is "three hundred forty billion, one hundred thirty-eight million, two hundred seventy-six thousand, eight hundred twenty-five".