140152949 has 8 divisors (see below), whose sum is σ = 148007040. Its totient is φ = 132346656.

The previous prime is 140152939. The next prime is 140152951. The reversal of 140152949 is 949251041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140152949 - 2¹⁶ = 140087413 is a prime.

It is a super-2 number, since 2×140152949² = 39285698226793202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140152939) 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, 5837 + ... + 17730.

It is an arithmetic number, because the mean of its divisors is an integer number (18500880).

Almost surely, 2^140152949 is an apocalyptic number.

140152949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

140152949 is a deficient number, since it is larger than the sum of its proper divisors (7854091).

140152949 is a wasteful number, since it uses less digits than its factorization.

140152949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23899.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 140152949 is about 11838.6210767978. The cubic root of 140152949 is about 519.4384334569.

The spelling of 140152949 in words is "one hundred forty million, one hundred fifty-two thousand, nine hundred forty-nine".