139867848 has 48 divisors (see below), whose sum is σ = 385966620. Its totient is φ = 45741696.

The previous prime is 139867843. The next prime is 139867859. The reversal of 139867848 is 848768931.

It can be written as a sum of positive squares in 2 ways, for example, as 139287204 + 580644 = 11802^2 + 762^2 .

It is a super-2 number, since 2×139867848² = 39126029808302208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139867794 and 139867803.

It is not an unprimeable number, because it can be changed into a prime (139867843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14511 + ... + 22142.

Almost surely, 2^139867848 is an apocalyptic number.

139867848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

139867848 is an abundant number, since it is smaller than the sum of its proper divisors (246098772).

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

139867848 is a wasteful number, since it uses less digits than its factorization.

139867848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36718 (or 36711 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 139867848 is about 11826.5738064750. The cubic root of 139867848 is about 519.0859781602.

It can be divided in two parts, 139867 and 848, that added together give a triangular number (140715 = T₅₃₀).

The spelling of 139867848 in words is "one hundred thirty-nine million, eight hundred sixty-seven thousand, eight hundred forty-eight".