139035552 has 48 divisors (see below), whose sum is σ = 380842560. Its totient is φ = 44329472.

The previous prime is 139035499. The next prime is 139035553. The reversal of 139035552 is 255530931.

139035552 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (139035553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29277 + ... + 33692.

It is an arithmetic number, because the mean of its divisors is an integer number (7934220).

Almost surely, 2^139035552 is an apocalyptic number.

139035552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139035552 is an abundant number, since it is smaller than the sum of its proper divisors (241807008).

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

139035552 is a wasteful number, since it uses less digits than its factorization.

139035552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63005 (or 62997 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 139035552 is about 11791.3337667967. Note that the first 3 decimals coincide. The cubic root of 139035552 is about 518.0543067545.

The spelling of 139035552 in words is "one hundred thirty-nine million, thirty-five thousand, five hundred fifty-two".