139730102 has 8 divisors (see below), whose sum is σ = 211195512. Its totient is φ = 69331600.

The previous prime is 139730081. The next prime is 139730111. The reversal of 139730102 is 201037931.

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, 266399 + ... + 266922.

It is an arithmetic number, because the mean of its divisors is an integer number (26399439).

Almost surely, 2^139730102 is an apocalyptic number.

139730102 is a deficient number, since it is larger than the sum of its proper divisors (71465410).

139730102 is a wasteful number, since it uses less digits than its factorization.

139730102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533454.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 139730102 is about 11820.7487918490. The cubic root of 139730102 is about 518.9155184407.

The spelling of 139730102 in words is "one hundred thirty-nine million, seven hundred thirty thousand, one hundred two".