139495190 has 8 divisors (see below), whose sum is σ = 251091360. Its totient is φ = 55798072.

The previous prime is 139495177. The next prime is 139495211. The reversal of 139495190 is 91594931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×139495190² = 38917816066272200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6974750 + ... + 6974769.

It is an arithmetic number, because the mean of its divisors is an integer number (31386420).

Almost surely, 2^139495190 is an apocalyptic number.

139495190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139495190 is a deficient number, since it is larger than the sum of its proper divisors (111596170).

139495190 is a wasteful number, since it uses less digits than its factorization.

139495190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13949526.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 139495190 is about 11810.8081857255. The cubic root of 139495190 is about 518.6245578526.

The spelling of 139495190 in words is "one hundred thirty-nine million, four hundred ninety-five thousand, one hundred ninety".