139370654 has 8 divisors (see below), whose sum is σ = 213917880. Its totient is φ = 68064696.

The previous prime is 139370597. The next prime is 139370683. The reversal of 139370654 is 456073931.

It is a happy number.

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, 810209 + ... + 810380.

It is an arithmetic number, because the mean of its divisors is an integer number (26739735).

Almost surely, 2^139370654 is an apocalyptic number.

139370654 is a deficient number, since it is larger than the sum of its proper divisors (74547226).

139370654 is a wasteful number, since it uses less digits than its factorization.

139370654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620634.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 139370654 is about 11805.5348883479. The cubic root of 139370654 is about 518.4701758081.

The spelling of 139370654 in words is "one hundred thirty-nine million, three hundred seventy thousand, six hundred fifty-four".