139749101654 has 8 divisors (see below), whose sum is σ = 218737724400. Its totient is φ = 66836526856.

The previous prime is 139749101651. The next prime is 139749101693. The reversal of 139749101654 is 456101947931.

139749101654 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×139749101654² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139749101651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519011929 + ... + 1519012020.

It is an arithmetic number, because the mean of its divisors is an integer number (27342215550).

Almost surely, 2^139749101654 is an apocalyptic number.

139749101654 is a deficient number, since it is larger than the sum of its proper divisors (78988622746).

139749101654 is a wasteful number, since it uses less digits than its factorization.

139749101654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038023974.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 139749101654 in words is "one hundred thirty-nine billion, seven hundred forty-nine million, one hundred one thousand, six hundred fifty-four".