139260195 has 32 divisors (see below), whose sum is σ = 248389440. Its totient is φ = 74027520.

The previous prime is 139260157. The next prime is 139260197. The reversal of 139260195 is 591062931.

It is not a de Polignac number, because 139260195 - 2¹⁰ = 139259171 is a prime.

It is a super-2 number, since 2×139260195² = 38786803822876050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139260197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43965 + ... + 47025.

It is an arithmetic number, because the mean of its divisors is an integer number (7762170).

Almost surely, 2^139260195 is an apocalyptic number.

139260195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139260195 is a deficient number, since it is larger than the sum of its proper divisors (109129245).

139260195 is a wasteful number, since it uses less digits than its factorization.

139260195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412 (or 3406 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 139260195 is about 11800.8556893134. The cubic root of 139260195 is about 518.3331674495. Note that the first 3 decimals are identical.

The spelling of 139260195 in words is "one hundred thirty-nine million, two hundred sixty thousand, one hundred ninety-five".