139203130 has 32 divisors (see below), whose sum is σ = 285234048. Its totient is φ = 48417600.

The previous prime is 139203059. The next prime is 139203131. The reversal of 139203130 is 31302931.

It is a super-2 number, since 2×139203130² = 38755022803593800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (139203131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24981 + ... + 30040.

It is an arithmetic number, because the mean of its divisors is an integer number (8913564).

Almost surely, 2^139203130 is an apocalyptic number.

139203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139203130 is an abundant number, since it is smaller than the sum of its proper divisors (146030918).

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

139203130 is a wasteful number, since it uses less digits than its factorization.

139203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55062.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 139203130 is about 11798.4376084293. The cubic root of 139203130 is about 518.2623582153.

The spelling of 139203130 in words is "one hundred thirty-nine million, two hundred three thousand, one hundred thirty".