139412190 has 16 divisors (see below), whose sum is σ = 334589328. Its totient is φ = 37176576.

The previous prime is 139412179. The next prime is 139412197. The reversal of 139412190 is 91214931.

139412190 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139412190² = 38871517441192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 4647073 = 139412190 / (1 + 3 + 9 + 4 + 1 + 2 + 1 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139412197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2323507 + ... + 2323566.

It is an arithmetic number, because the mean of its divisors is an integer number (20911833).

Almost surely, 2^139412190 is an apocalyptic number.

139412190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139412190 is an abundant number, since it is smaller than the sum of its proper divisors (195177138).

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

139412190 is a wasteful number, since it uses less digits than its factorization.

139412190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647083.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 139412190 is about 11807.2939321421. The cubic root of 139412190 is about 518.5216764591.

The spelling of 139412190 in words is "one hundred thirty-nine million, four hundred twelve thousand, one hundred ninety".