139794454 has 8 divisors (see below), whose sum is σ = 209796048. Its totient is φ = 69862440.

The previous prime is 139794439. The next prime is 139794509. The reversal of 139794454 is 454497931.

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

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, 12042 + ... + 20605.

It is an arithmetic number, because the mean of its divisors is an integer number (26224506).

Almost surely, 2^139794454 is an apocalyptic number.

139794454 is a deficient number, since it is larger than the sum of its proper divisors (70001594).

139794454 is a wasteful number, since it uses less digits than its factorization.

139794454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34790.

The product of its digits is 544320, while the sum is 46.

The square root of 139794454 is about 11823.4704719046. The cubic root of 139794454 is about 518.9951675306.

The spelling of 139794454 in words is "one hundred thirty-nine million, seven hundred ninety-four thousand, four hundred fifty-four".