139769898 has 8 divisors (see below), whose sum is σ = 279539808. Its totient is φ = 46589964.

The previous prime is 139769887. The next prime is 139769899. The reversal of 139769898 is 898967931.

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

139769898 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (139769899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11647486 + ... + 11647497.

It is an arithmetic number, because the mean of its divisors is an integer number (34942476).

Almost surely, 2^139769898 is an apocalyptic number.

139769898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139769898 is a wasteful number, since it uses less digits than its factorization.

139769898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23294988.

The product of its digits is 5878656, while the sum is 60.

The square root of 139769898 is about 11822.4319833104. The cubic root of 139769898 is about 518.9647772176.

The spelling of 139769898 in words is "one hundred thirty-nine million, seven hundred sixty-nine thousand, eight hundred ninety-eight".