139274160 has 80 divisors (see below), whose sum is σ = 440971776. Its totient is φ = 36346624.

The previous prime is 139274129. The next prime is 139274167. The reversal of 139274160 is 61472931.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (139274167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5107 + ... + 17453.

Almost surely, 2^139274160 is an apocalyptic number.

139274160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139274160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220485888).

139274160 is an abundant number, since it is smaller than the sum of its proper divisors (301697616).

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

139274160 is a wasteful number, since it uses less digits than its factorization.

139274160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12410 (or 12404 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 139274160 is about 11801.4473688612. The cubic root of 139274160 is about 518.3504930051.

The spelling of 139274160 in words is "one hundred thirty-nine million, two hundred seventy-four thousand, one hundred sixty".