140641512 has 32 divisors (see below), whose sum is σ = 383568480. Its totient is φ = 42618560.

The previous prime is 140641507. The next prime is 140641517. The reversal of 140641512 is 215146041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140641507) and next prime (140641517).

It is a super-2 number, since 2×140641512² = 39560069795292288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (140641517) 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, 266103 + ... + 266630.

It is an arithmetic number, because the mean of its divisors is an integer number (11986515).

Almost surely, 2^140641512 is an apocalyptic number.

140641512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140641512 is an abundant number, since it is smaller than the sum of its proper divisors (242926968).

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

140641512 is a wasteful number, since it uses less digits than its factorization.

140641512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532753 (or 532749 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 140641512 is about 11859.2374122454. The cubic root of 140641512 is about 520.0413083555.

Adding to 140641512 its reverse (215146041), we get a palindrome (355787553).

It can be divided in two parts, 14064 and 1512, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 140641512 in words is "one hundred forty million, six hundred forty-one thousand, five hundred twelve".