139268351340 has 72 divisors (see below), whose sum is σ = 422891134848. Its totient is φ = 37099211520.

The previous prime is 139268351263. The next prime is 139268351357. The reversal of 139268351340 is 43153862931.

139268351340 is a `hidden beast` number, since 1 + 3 + 9 + 268 + 351 + 34 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234396 + ... + 577475.

It is an arithmetic number, because the mean of its divisors is an integer number (5873487984).

Almost surely, 2^139268351340 is an apocalyptic number.

139268351340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139268351340 is an abundant number, since it is smaller than the sum of its proper divisors (283622783508).

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

139268351340 is a wasteful number, since it uses less digits than its factorization.

139268351340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812839 (or 812834 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 139268351340 in words is "one hundred thirty-nine billion, two hundred sixty-eight million, three hundred fifty-one thousand, three hundred forty".