140239474620 has 384 divisors, whose sum is σ = 516323082240. Its totient is φ = 27658506240.

The previous prime is 140239474597. The next prime is 140239474643. The reversal of 140239474620 is 26474932041.

It is an interprime number because it is at equal distance from previous prime (140239474597) and next prime (140239474643).

It is a super-2 number, since 2×140239474620² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4188787 + ... + 4222133.

It is an arithmetic number, because the mean of its divisors is an integer number (1344591360).

Almost surely, 2^140239474620 is an apocalyptic number.

140239474620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140239474620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258161541120).

140239474620 is an abundant number, since it is smaller than the sum of its proper divisors (376083607620).

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

140239474620 is a wasteful number, since it uses less digits than its factorization.

140239474620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33433 (or 33431 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 140239474620 in words is "one hundred forty billion, two hundred thirty-nine million, four hundred seventy-four thousand, six hundred twenty".