139754052 has 24 divisors (see below), whose sum is σ = 362325600. Its totient is φ = 46584648.

The previous prime is 139754051. The next prime is 139754113. The reversal of 139754052 is 250457931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 139753998 and 139754016.

It is not an unprimeable number, because it can be changed into a prime (139754051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646902 + ... + 647117.

It is an arithmetic number, because the mean of its divisors is an integer number (15096900).

Almost surely, 2^139754052 is an apocalyptic number.

139754052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139754052 is an abundant number, since it is smaller than the sum of its proper divisors (222571548).

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

139754052 is a wasteful number, since it uses less digits than its factorization.

139754052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294032 (or 1294024 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 139754052 is about 11821.7617976341. The cubic root of 139754052 is about 518.9451644427.

The spelling of 139754052 in words is "one hundred thirty-nine million, seven hundred fifty-four thousand, fifty-two".